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最近下载：2024-10-05
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文档列表

The Radio Amateurs Microwave Communications Handbook.pdf 65.2 MB
Design and Realisation of Microwave Circuits.pdf 19.8 MB
A DIY Receiver for GPS and GLONASS Satellites.pdf 18.1 MB
Synthesised signal generator for 10 to 1800 MHz.pdf 13.7 MB
The Gunnplexer Cookbook.pdf 12.7 MB
The Laser Experimenters Handbook.pdf 12.4 MB
4800 Baud Modem Daughter Board.pdf 11.8 MB
Wireless Digital Communications-Design and Theory.pdf 11.7 MB
Nifty E-Z Guide to D-STAR Operation.pdf 9.3 MB
Practical LC Filter Design.pdf 8.7 MB
VHF-UHF-SHF Measuring Methods Using a PC.pdf 8.0 MB
Raspberry Pi in the Sky.pdf 8.0 MB
An Active Antenna for 160 to 4 meters.pdf 7.5 MB
DTMF Remote Control.pdf 6.7 MB
IEEE 802.11 Experiments In Virginias Shenandoah Valley.pdf 6.6 MB
Crystal Testing.pdf 6.2 MB
Universal Synthesizer for Frequenices up and above 1000 MHz.pdf 6.1 MB
Working With Digital Filters.pdf 5.9 MB
Communications System Using Gunplexer Transceivers.pdf 5.8 MB
Raspberry Pi In Your Shack.pdf 4.9 MB
Active Reception Antennas- Observations- Calculations and Experiments.pdf 4.7 MB
Exploits in Lightwave Communication.pdf 4.7 MB
13cm PSK Transceiver for 1.2Mbit Packet Radio.pdf 4.6 MB
Doppler Radar in the 10 GHz Amateur Band.pdf 4.5 MB
An Ultra Modern Shortwave Radio.pdf 4.5 MB
How To Use Duplexers.pdf 4.5 MB
Build An Alphanumeric Pager Decoder.pdf 4.4 MB
A Home-made RF-Millivoltmeter.pdf 4.3 MB
Amateur-Radio Applications of the Fast Fourier Transform.pdf 4.1 MB
Microwave path design- The Basics.pdf 4.0 MB
A Beginners Course In Assembly Language.pdf 4.0 MB
Sherlock in the XP Age.pdf 4.0 MB
Isolators The Practical View.pdf 3.9 MB
The Frontlines-HSMM.pdf 3.7 MB
Microwave Spectum Analyzer On A Budget.pdf 3.6 MB
A Receiver for the VLF Time and Frequency Standard Transmissions from DCF 77.pdf 3.5 MB
Modern Design for Band Pass Filters Made From Coupled Lines.pdf 3.5 MB
Spectrum Analyzer.pdf 3.4 MB
The Global Positioning System.pdf 3.3 MB
23cm PSK Packet Radio Transceiver for 1.2 Mbit User Access.pdf 3.3 MB
Radio Astronomy And The Search For Extraterrestial Intelligence.pdf 3.2 MB
Project 25 To Take Public Safety Into Next Century.pdf 3.2 MB
A 13 cm Fully Transistorized Transverter.pdf 3.2 MB
A Home-Made Automatic Noise-Figure Measuring System.pdf 3.1 MB
Dont be Afraid of High-Frequency Transformers.pdf 3.1 MB
Intermodulation Distortion.pdf 3.1 MB
Modern Design of Stripline Low Pass Filters.pdf 3.1 MB
Demystifying error-control coding.pdf 3.0 MB
Doppler Direction Finder with Improved Characteristics.pdf 3.0 MB
Microwave Lens Antennas.pdf 3.0 MB
Fractal_Antennas_Part-1.pdf 3.0 MB
Introduction to Digital Mobile Radio.pdf 3.0 MB
Wideband Direction Coupler for VSWR-Measurements on Receiver Systems.pdf 2.9 MB
Introduction into Spread Spectrum Technology.pdf 2.9 MB
Arduino Based Data Acquistion.pdf 2.9 MB
Using DSP Software for VHF Beacon Monitoring.pdf 2.8 MB
Tracking Generator for Microwave Ranges 1.7 to 13 GHz.pdf 2.8 MB
Wi-Fi for Hams.pdf 2.8 MB
Smith Chart Fundamentals.pdf 2.8 MB
NiCad Recycler.pdf 2.7 MB
High Power Magnetron Transmitter.pdf 2.7 MB
Frequency Generator to 4 GHz.pdf 2.7 MB
Radio Interference Suppression.pdf 2.7 MB
PIC-Gen Frequency Generator-Counter.pdf 2.7 MB
From the bit to multi-carrier modulation - basics of digital modulation techniques.pdf 2.7 MB
Control Your Devices From A Web Page.pdf 2.7 MB
Tracking Generator From 1 MHz to 13 GHz for Spectrum Analysers.pdf 2.7 MB
A Spectrum Analyser for the Radio Amateur.pdf 2.6 MB
Lowes Loop for 432MHz.pdf 2.6 MB
80 Years With EF Johnson.pdf 2.6 MB
Direction Finding Receiver.pdf 2.6 MB
The Early Work of Guglielmo Marconi.pdf 2.5 MB
Using SINAD Voting Combiners.pdf 2.5 MB
Frequency Counter with Harmonic Mixing for the UHF-SHE Amateur.pdf 2.5 MB
The Man Who Invented The Future - Hugo Gernsback.pdf 2.5 MB
Wideband Low-Noise Microwave VCO.pdf 2.5 MB
Spectrum management and rebanding- quantifying channel capacity.pdf 2.5 MB
Diversity Reception Helps Radio System Performance.pdf 2.5 MB
Nextel E-SMRS.pdf 2.5 MB
Precision Directional Coupler For Matching Measurements.pdf 2.5 MB
Stabilizing the VCO Frequency by Means of Monostables.pdf 2.5 MB
Spread Spectrum Communications.pdf 2.5 MB
Inexpensive Multi-Megabaud Microwave Data Link.pdf 2.5 MB
Home Brewing a 10 GHz SSB-CW Transverter.pdf 2.4 MB
Back to basics- amateur radio.pdf 2.4 MB
Analog multiplex systems- the basics.pdf 2.4 MB
WEWN Shortwave Radio To Reach The Heart Of The People.pdf 2.3 MB
A primer for transmission lines.pdf 2.3 MB
The Fractal Antenna.pdf 2.3 MB
VLF Up-Converter.pdf 2.3 MB
Frequency - power standard for calibration.pdf 2.3 MB
Absolute Calibration of a Noise Source.pdf 2.3 MB
Digital Signal Processing.pdf 2.3 MB
Hows Your Antenna.pdf 2.2 MB
Get on 440-MHz ATV.pdf 2.2 MB
N0GSG DSP Radio Direction Finder.pdf 2.2 MB
A PIC Based HF-VHF Power Meter.pdf 2.2 MB
Scanner Converter.pdf 2.2 MB
Future Shock- A Conversation with Phil Karn KA9Q.pdf 2.2 MB
High-Precision Frequency standard for 10 MHz.pdf 2.2 MB
The Phasing Transceiver on 73 kHz.pdf 2.2 MB
21st Century Radio Communications.pdf 2.1 MB
Poor Mans Short-wave Radio.pdf 2.1 MB
Designing Your Own Pads.pdf 2.1 MB
Designing Chebyshev Filters for Practical Operation.pdf 2.1 MB
An EZ-Lindenblad Antenna for 2 Meters.pdf 2.1 MB
Spread Spectrum in Action.pdf 2.1 MB
winSMITH- A computerized Smith chart.pdf 2.1 MB
A Low Cost 1.2 GHz Pre-Scaler.pdf 2.1 MB
Travelers Information Stations.pdf 2.1 MB
The ABCs of communications towers.pdf 2.1 MB
Al Gross.pdf 2.1 MB
GaAsFET Power Amplifier Stages up to 5 W for 10 GHz.pdf 2.1 MB
Surface-Mount Technology Primer.pdf 2.1 MB
A 3456 MHz Linear Transverter.pdf 2.1 MB
Emergency 911.pdf 2.1 MB
An interesting program APLAC.pdf 2.1 MB
Your Right To Use A Scanner.pdf 2.0 MB
Use Direction-Finding To Trace Interference.pdf 2.0 MB
Amateur TV Transmitter.pdf 2.0 MB
Amateur Wireless Before 1914.pdf 2.0 MB
HSMM.pdf 2.0 MB
Interfacing Your Computer To The Poor Mans Spectrum Analyzer.pdf 2.0 MB
Electronically-Switched Attenuators.pdf 2.0 MB
A FM-Transceiver for 10 GHz with dielelectrically-stabilized Oscillator.pdf 2.0 MB
How F-TDMA Can Improve Mobile Radio.pdf 2.0 MB
Trapping Transients- Line Surge Protection.pdf 2.0 MB
Capacitors- The Family Tree.pdf 1.9 MB
Digital Technology Serves 2-Way Radio Communications.pdf 1.9 MB
GMSK - The Modulation Used For Mobile Communications.pdf 1.9 MB
An improved BPSK for the 1.2Mbit RTX.pdf 1.9 MB
Practical Circuit Board Construction.pdf 1.9 MB
NOAA Brings You Weather.pdf 1.9 MB
Intermod- Getting the upper hand.pdf 1.9 MB
Get In The Mediumwave Loop.pdf 1.9 MB
A 10 GHz Super-Regenerative Receiver.pdf 1.9 MB
D-Star.pdf 1.9 MB
The IQ Modulator Described.pdf 1.9 MB
CB Still A Favorite.pdf 1.9 MB
Fiber Optics.pdf 1.8 MB
Omnidirectional Waveguide Slot Antenna for Horizontal Polarisation.pdf 1.8 MB
Connect Systems CS700 UHF DMR Handheld.pdf 1.8 MB
Receiver Selectivity And How To Improve It.pdf 1.8 MB
The VHF-UHF Primer-An Introduction To Propagation.pdf 1.8 MB
The FOXBOX.pdf 1.8 MB
An Unconditionally-Stable- Low-Noise GaAs-FET Pre-Amplifier.pdf 1.8 MB
Digital RF Wattmeter with LC Display.pdf 1.8 MB
HF Direction Finding.pdf 1.8 MB
Design and construction of a high quality 100 MHz bandpass filter.pdf 1.8 MB
Get On 222 MHz with a Ten-Tec 1210 Transverter.pdf 1.8 MB
Single-Point Grounding For Communications Sites.pdf 1.8 MB
Measuring 9600 baud BER Performance.pdf 1.8 MB
Propagation Modes From ELF To SHF.pdf 1.8 MB
A Homebrew D-Star Repeater.pdf 1.8 MB
DIY Gain-Blocks.pdf 1.8 MB
Venturing Underground with VLF Radio.pdf 1.7 MB
A 13cm GaAsFET Power Amplifier Developed using the PUFF CAD Software Package.pdf 1.7 MB
Input Filters For Receive Applications In The 144 MHz Range.pdf 1.7 MB
Converting To Very Narrow Band- 12.5 kHz The Easy Way.pdf 1.7 MB
Try Copper For 2-Meters-The Cu Loop.pdf 1.7 MB
A Thermal Printing Voltmeter.pdf 1.7 MB
Microwave Subsystem.pdf 1.7 MB
SPI And The Printer Port.pdf 1.7 MB
RF Transmission Lines.pdf 1.7 MB
An Interesting Program MSTRIP40.pdf 1.7 MB
A Radio Pioneer.pdf 1.7 MB
Digital Wattmeter for the Bird 43.pdf 1.7 MB
MIMP - Motorola Impedance Matching Program.pdf 1.7 MB
A 10 W Power Amplifier for the 13cm Band using GaAs Technology.pdf 1.7 MB
The Shape of Bits to Come.pdf 1.7 MB
Cryptography The Secret Language Of Spies.pdf 1.7 MB
Radio Path Profiles And The Fresnel Zone.pdf 1.7 MB
An Impedance Diagram for Transmission Lines.pdf 1.6 MB
The New Industrial Revolution-Packet Radio And Networking.pdf 1.6 MB
Error Correcting In Data Transmission.pdf 1.6 MB
A 2.3 GHz Prescaler.pdf 1.6 MB
D-Star New Modes for VHF-UHF.pdf 1.6 MB
Getting Started With The PICBASIC Pro Compiler And MPLAB IDE.pdf 1.6 MB
Tunable VHF to SHF Bandpass Filter.pdf 1.6 MB
Solid-State Linear Amplifiers for 33 cm.pdf 1.6 MB
Anatomy Of A Repeater.pdf 1.6 MB
The isolator- An RF traffic director.pdf 1.6 MB
Universal sound card interface for digital modes.pdf 1.6 MB
10 GHz ATV The Easy Way.pdf 1.6 MB
Microwave Basics.pdf 1.5 MB
50 Ohm Wideband Detectors.pdf 1.5 MB
How Fleet Operators Keep Track Of Their Trucks.pdf 1.5 MB
Tower Climbing Safety And Rescue.pdf 1.5 MB
Light Beam Communicator.pdf 1.5 MB
Diversity Antenna.pdf 1.5 MB
Understanding Synthesizers.pdf 1.5 MB
Poor Mans Spectrum Analyzer.pdf 1.5 MB
SWR impedance and line loss.pdf 1.5 MB
Micro-Stripline Antennas.pdf 1.5 MB
The Poor Mans Caesium Clock.pdf 1.5 MB
Lightning Protection-Taming Thors Thunder-On A Budget.pdf 1.5 MB
A Noise Generator with Defined Noise Power for Applicaitons up in the Microwave Range.pdf 1.5 MB
Tackling interference at the site.pdf 1.5 MB
A Practical Synthesizer.pdf 1.5 MB
Its About Time A Tour of WWV.pdf 1.5 MB
Electroocardiograph.pdf 1.5 MB
Radio Astronomy for the VHF-UHF Radio Amateur.pdf 1.5 MB
Acoustic Field Generator.pdf 1.5 MB
Two-Stage Low-Noise Preamplifiers for the Amateur Bands from 24 cm to 12 cm.pdf 1.5 MB
Handy from Tandy - A 49 MHz to 50 MHz Modification.pdf 1.5 MB
Microwave Directional Coupler with high Front-to-Back Ratio made from Semi-Rigid Circuits.pdf 1.4 MB
A High-Performance 2-Meter Transverter.pdf 1.4 MB
Toroids for the Terrified.pdf 1.4 MB
Troubleshooting techniques 101.pdf 1.4 MB
MSF Locked Frequency Reference.pdf 1.4 MB
Pre-amplifier - Pros and Cons.pdf 1.4 MB
The User Friendly Smith Chart.pdf 1.4 MB
How To Use Line Sweeping To Maintain Antenna Systems.pdf 1.4 MB
Air Hop-Light Beam Communicator.pdf 1.4 MB
IEEE 802.11b-Friend or Foe.pdf 1.4 MB
Tracking Emergency Beacons.pdf 1.4 MB
TRBO Hits the Amateur Bands.pdf 1.4 MB
APCO-25.pdf 1.4 MB
The VOA At 50 Years.pdf 1.4 MB
An Introduction to Surface-Mount Devices.pdf 1.4 MB
Getting Started on Microwave ATV.pdf 1.4 MB
Make VHF cavities from over-the-counter hardware.pdf 1.4 MB
New ADV and Revolutionary HSMM-MESH at Ham-Com.pdf 1.4 MB
The Digital Circle of Life.pdf 1.4 MB
Signal-to-noise ratio.pdf 1.4 MB
Voltage-Controlled Tuned Wideband Oscillators.pdf 1.4 MB
1296-MHz Transverter.pdf 1.4 MB
MDTs All You Wanted To Know About Them.pdf 1.4 MB
DF Breakthough-Turkey Tracker.pdf 1.4 MB
With GPS The Future Has Arrived.pdf 1.3 MB
Cognitive radios close to major advance.pdf 1.3 MB
Estimating Radio Range.pdf 1.3 MB
Experimental 430 MHz Wire Antennas.pdf 1.3 MB
Microwave Home Brew 10 GHz Receive Converter.pdf 1.3 MB
The VHF Log Periodic Yagi.pdf 1.3 MB
Build A Crystal Filter To Solve VHF Interference.pdf 1.3 MB
The Crawley Power Meter.pdf 1.3 MB
Tone Decoder.pdf 1.3 MB
All About Thermistors.pdf 1.3 MB
Switch-Mode Power Supplies.pdf 1.3 MB
Filters and Ferrites in EMC.pdf 1.3 MB
Automotive RFI Elimination.pdf 1.3 MB
The PortaPeater.pdf 1.3 MB
Video Signal Recognition - ATV Squelch.pdf 1.3 MB
Spread Spectrum And Digital Communications Techniques.pdf 1.3 MB
Tracking Down Bugs Using A Spectrum Analyzer.pdf 1.3 MB
A Six Meter Moxon Antenna.pdf 1.3 MB
A Box to Measure RF Impedances.pdf 1.3 MB
Building a Decent RF Network.pdf 1.3 MB
The Polly Audio Store.pdf 1.3 MB
Direct Conversion Receivers.pdf 1.3 MB
The Ten-Tec 6 Meter Transverter on 12 or 17 Meters.pdf 1.3 MB
Little Orphan Radio GMRS.pdf 1.3 MB
Dummy loads and smart choices.pdf 1.3 MB
Radio-Astronomical Experiments in the 70cm Band.pdf 1.3 MB
Ham Radio and VoIP.pdf 1.3 MB
The Arrow Antenna.pdf 1.2 MB
Receiver Sensitivity Signal and Noise.pdf 1.2 MB
Design Of Active Butterworth Filters.pdf 1.2 MB
Using a DRO as a Transmitter.pdf 1.2 MB
Working With LED Display Drivers.pdf 1.2 MB
Baluns For Microwave Applications.pdf 1.2 MB
HSMM Radio Equipment.pdf 1.2 MB
Building Your Own Weather Station.pdf 1.2 MB
Reflection Coefficient And Reflection Angle.pdf 1.2 MB
Spectrum Analyzer for VHF-UHF Amateurs Constructing a Home-Made Universal HF-Module.pdf 1.2 MB
A Portable Quad For 2 Meters.pdf 1.2 MB
Pulse Communication on 2300 MC.pdf 1.2 MB
Barry Goldwaters Relections On Radio.pdf 1.2 MB
RF attenuators- terminations- matching pads- loads.pdf 1.2 MB
Broadband Wireless Internet Access and Amateur Radio.pdf 1.2 MB
Introduction To Filters.pdf 1.2 MB
Noise Behaviour of Zener Diodes.pdf 1.2 MB
Build A Semiconductor Laser System.pdf 1.2 MB
Anatomy of a multicoupler.pdf 1.2 MB
Preventing microwave interference.pdf 1.2 MB
Frequency Doubling using Semi-Conductor Diodes.pdf 1.2 MB
The Dielectric Resonator.pdf 1.2 MB
Measuring insertion loss of cavities.pdf 1.2 MB
A Simple Digital Power Meter.pdf 1.2 MB
Stripline Directional Coupler for 400 MHz to 3.6 GHz.pdf 1.2 MB
Monitoring For Emergency Location Transmitters.pdf 1.1 MB
A Cheap and Easy High-Speed Data Connection.pdf 1.1 MB
RF Coil Dimensions - The Easy Way.pdf 1.1 MB
SMT You Can Work With.pdf 1.1 MB
Danger High Voltage- Mismatches can be harmful.pdf 1.1 MB
Microwave Propagation in the Upper Troposphere.pdf 1.1 MB
Intermodulation Properties of Switching Diodes.pdf 1.1 MB
Circuit Design on Your Linux Box Using gEDA.pdf 1.1 MB
Nonlinear Analysis-Simulation and Measurement of RF Amplifiers.pdf 1.1 MB
Modulation Acceptance Bandwidth.pdf 1.1 MB
Optocoupler Devices.pdf 1.1 MB
VHF DF Loop Aerial.pdf 1.1 MB
Untangling Digital Voice Above 50 MHz.pdf 1.1 MB
Night-Vision Scopes.pdf 1.1 MB
The First YL.pdf 1.1 MB
Antenna Support Structures For The Common Man.pdf 1.1 MB
Phase Lock Loop Stability Analysis.pdf 1.1 MB
The Versatile 555.pdf 1.1 MB
The Birth Of Satellite Communications.pdf 1.1 MB
Transmitter noise- receiver desense primer.pdf 1.1 MB
An Easy Dual-Band VHF-UHF Antenna.pdf 1.1 MB
A Little Imp Coil Winder.pdf 1.1 MB
A Tuned Active Antenna.pdf 1.1 MB
Wideband Microwave Amplifier Design.pdf 1.1 MB
How To Build A Transmatch For 2 Meters.pdf 1.1 MB
Radiation Monitor.pdf 1.1 MB
The value of ferrite RF isolators.pdf 1.1 MB
The Inventor Of Radio Was Nathan Stubblefield.pdf 1.1 MB
Photosensitive Devices.pdf 1.1 MB
Multicoupler basics.pdf 1.1 MB
DXing 2.4 GHz.pdf 1.1 MB
The complex world of wireless E911.pdf 1.1 MB
A Review Of Coding Theory.pdf 1.1 MB
How To Link Mobiles To Form A Repeater.pdf 1.1 MB
How to Design Analog Circuits-Biasing Transistors.pdf 1.1 MB
Inside line-of-site propagation.pdf 1.1 MB
The History and Future of Radio.pdf 1.0 MB
Predicting coverage area is critical.pdf 1.0 MB
Cellular Cryptography And GSM.pdf 1.0 MB
DTMF Encoding and Decoding.pdf 1.0 MB
Copper Loops For 222 and 440MHz.pdf 1.0 MB
Understanding Speech Inversion.pdf 1.0 MB
Service Monitors.pdf 1.0 MB
A 10 MHz Timebase Clock for Frequency Counters- complete with a PLL for DCF77.pdf 1.0 MB
A Broadband Ham Network Crosses the Finish Line.pdf 1.0 MB
Building a Pulse Generator.pdf 1.0 MB
How Attenuator Pads Improve Impedance Matching.pdf 1.0 MB
ATV Transmitter from a Microwave Oven.pdf 1.0 MB
DIY Micro-Processors.pdf 1.0 MB
How Mobile Radio Fading Affects Data Transmission.pdf 1.0 MB
Measurement Arrangements for Complex Impedances.pdf 1.0 MB
RF amplifiers- coming and going.pdf 1.0 MB
Spectrum Monitor.pdf 996.5 kB
Active Filters.pdf 996.0 kB
Fixed And Variable Frequency Crystal Oscillators.pdf 993.2 kB
Digital Amateur Television.pdf 991.6 kB
Low-Band Converter.pdf 991.2 kB
Receiver Front-end Limitations.pdf 990.4 kB
Lightning and Overvoltage Protection for Radio Equipment.pdf 990.0 kB
Active Antennas for the Frequency Range from 10 KHz to 50 MHz.pdf 989.7 kB
A Simple Audio Notch Filter.pdf 988.6 kB
Canny Cavaties.pdf 988.2 kB
Wireless Networking.pdf 988.2 kB
Paging technology- Systems and services.pdf 986.9 kB
A Universal Sound-Vision Unit for FM-ATV Transmitters.pdf 985.3 kB
Using Smith Diagrams.pdf 985.0 kB
Microprocessor-Controlled Repeater Voting System.pdf 982.0 kB
Surface Mount Technology-You Can Work With It.pdf 981.7 kB
Measuring 2.4 GHz Helix Antennas.pdf 981.1 kB
A Stable Crystal-Controlled-Source for 10.37 GHz.pdf 979.9 kB
A 0.5-Watt 903-MHz Amplifier.pdf 975.8 kB
Digital Logic Simplified.pdf 973.4 kB
The Simple Simplex Repeater.pdf 972.6 kB
Laser output meter.pdf 970.8 kB
An FM Spectrum Analyser.pdf 970.2 kB
Can HSMM Find a Real Home in Ham Radio.pdf 969.2 kB
Compact BNC Attenuators.pdf 967.8 kB
Digital Altimeter.pdf 967.4 kB
Voice Of America Packs A Punch.pdf 962.2 kB
The Guying Problem.pdf 962.1 kB
Taking control of Project 25 systems- evaluation of control channels.pdf 957.1 kB
IRLP-The Internet Radio Linking Project.pdf 957.0 kB
FM-ATV in the GHz Range.pdf 956.9 kB
Co-Channel Interference.pdf 955.1 kB
The Secrets Of Paging Discover How They Work.pdf 954.8 kB
Well-grounded principles.pdf 953.1 kB
Synthesisers.pdf 952.5 kB
Understanding Trunking.pdf 950.9 kB
A Home-made Ultrasonic Power Line Arc Detector.pdf 937.8 kB
Practical notes on the ferrite isolator.pdf 937.5 kB
Quick Power.pdf 935.1 kB
A Doppler Radio Direction Finder.pdf 929.6 kB
A Sensitive Thermal Power Meter.pdf 927.5 kB
Alternative Options for Resolving HSMM Interference Issues.pdf 924.8 kB
Ham Radio Paging-Putting POCSAG On Packet.pdf 922.4 kB
D-Arsonval Dossier.pdf 921.8 kB
Active Audio Filters.pdf 920.9 kB
Learning To Work With Diodes.pdf 920.4 kB
TV Derived Frequency Standard.pdf 919.9 kB
PRO-96 CQPSK Upgrade Released.pdf 918.5 kB
Measurements on Resonance in Capacitors.pdf 917.2 kB
Receiver Bandwidth And The FM Signal.pdf 916.8 kB
Data Encryption is Legal.pdf 913.6 kB
Fine-tuning for the RF isolator.pdf 912.2 kB
Alpha-Theta Meditation Goggles.pdf 909.5 kB
The V-Antenna on the Car roof for mobile Direction-Finding.pdf 897.0 kB
The Use of Pringles Containers To Enhance Network Security.pdf 895.6 kB
A VHF-UHF-Microwave Transverter IF Switch.pdf 894.5 kB
Demystifying RF attenuators.pdf 894.0 kB
A Laser Transceiver for the ARRL 10-GHz-and-Up Contest.pdf 893.4 kB
Simple Locus Curves in the Smith Diagram.pdf 890.8 kB
A Home-Made UHF-SHF Power Meter.pdf 889.8 kB
Some Techniques for Building Ultra-Low-Noise Preamps.pdf 886.3 kB
The next phase of modulation.pdf 881.2 kB
Voltage Converters.pdf 875.5 kB
Understanding Radio Waves.pdf 875.4 kB
The Ghost Of Reginald Fessenden.pdf 871.2 kB
Digital Data Decoder Interface Revisted.pdf 871.1 kB
The Puzzle Of Propagation.pdf 870.4 kB
Low Frequency Converter.pdf 869.0 kB
A Tri-Yagi For 50 MHz.pdf 866.1 kB
High-Performance Easy-to-Build 432-MHz Transverter.pdf 864.8 kB
Pager Handbook for the Radio Amateur.pdf 863.5 kB
Analog Delay Lines.pdf 862.9 kB
Carrier Current Receiver.pdf 862.6 kB
Caveman Radio.pdf 862.5 kB
Testing Motrons Transmitter Fingerprinter.pdf 860.7 kB
Powell Crosley The Baron Of Homespun.pdf 859.6 kB
How To Use DC Voltage Regulators.pdf 859.6 kB
Transistor Calculations using Rules of Thumb.pdf 850.9 kB
7 dB For 7 Bucks.pdf 848.6 kB
Antenna phasing 101.pdf 844.8 kB
The key to RF signal amplifier specs.pdf 844.2 kB
The ABCs of Propagation.pdf 843.4 kB
An introduction to 4.9 GHz.pdf 841.3 kB
Using Radar Data to Predict Rain-Scatter Paths.pdf 841.2 kB
Magnetic DC Leakage Fields From Cables.pdf 839.6 kB
RF switching with PIN diodes.pdf 838.0 kB
Mutual-Aid Channels For Interoperability.pdf 836.5 kB
Extracting Stable Clock Signals From AM Broadcast Carriers for Amateur Spread-Spectrum Applications.pdf 833.8 kB
RE-EZ Shortwave Receiver.pdf 833.6 kB
Power FETs vs Bipolars at RF.pdf 828.1 kB
903-MHz Linear Amplifiers.pdf 827.9 kB
Splat-Signal Analysis Tool.pdf 822.9 kB
The Transmission of Electro-Magnetic Waves In Rectangular Waveguides.pdf 821.8 kB
Improving digital radio voice quality.pdf 821.4 kB
RF samplers and directional couplers.pdf 820.5 kB
Tone signaling over telephone lines- A technicians primer.pdf 820.1 kB
5.7 GHz ATV Converter.pdf 817.2 kB
Reverse Polarity Protection.pdf 816.8 kB
CW Modulator Using Pin Diodes.pdf 812.6 kB
Electronic Dazer.pdf 810.5 kB
Down-Under Depth Sounder.pdf 807.5 kB
Site noise vs system noise figure.pdf 806.8 kB
Cheap Antennas for LEO Satellites.pdf 806.1 kB
An Amateur Radio Survival Guide For Linux Users.pdf 805.4 kB
Behaviour of Reflected Pulses along Cables.pdf 804.0 kB
Combustable Gas Alarm.pdf 802.0 kB
The next level of intermodulation.pdf 801.9 kB
Using crystal filters at VHF high band.pdf 795.4 kB
LC Filters.pdf 790.5 kB
Demystifying software radio.pdf 789.7 kB
Directional Couplers - Made to Measure.pdf 786.7 kB
Mixer Experiments.pdf 785.4 kB
Phase-Locked Loops.pdf 784.8 kB
Practical Spread Spectrum-Achieving Synchronization with the Slip-Pulse Generator.pdf 781.6 kB
The G5RV Multiband Antenna.pdf 778.6 kB
Spreading the wealth- multiple access techniques.pdf 778.4 kB
Audio PreAmp ICs.pdf 778.0 kB
2-Meter Transverter.pdf 777.8 kB
A Wide-Range RF-Survey Meter.pdf 775.5 kB
Calculating the Focal Point of an Offset Dish Antenna.pdf 771.8 kB
Radar Speed-Gun Controller.pdf 768.6 kB
Dot-Bar-Graph Display Drivers.pdf 766.9 kB
The Unix Operating System.pdf 765.6 kB
Splitting A Signal.pdf 765.1 kB
Time-Domain Reflectometry On A Budget.pdf 760.7 kB
Differential Detection of Shifted-DQPSK.pdf 760.3 kB
Shoot the Moon.pdf 758.5 kB
Logarithmic Amplifier Up To 500 MHz With AD8307.pdf 757.5 kB
Finding Cable Faults.pdf 757.5 kB
The Noble Art of Signal Detection.pdf 756.3 kB
Working With Monostable Multivibrators.pdf 754.9 kB
Circular Waveguide Components at 10 GHz.pdf 750.2 kB
10 GHz RF Preamp.pdf 744.9 kB
Home-Made Parabolic Dishes for Microwave Applications.pdf 737.8 kB
CW Transmitter for 902 MHz.pdf 737.4 kB
Signal Propagation and the Ionosphere.pdf 737.0 kB
A 12 Volt to 12 Volt Converter.pdf 737.0 kB
Digital Voice Communication.pdf 736.7 kB
Getting To Know RF Filters.pdf 733.2 kB
Super Directional Microphone.pdf 730.4 kB
Components for 10-GHz and Up Transceivers.pdf 726.7 kB
Turbocharge Your Packet Station.pdf 725.1 kB
Chat on the Air with LinPSK.pdf 724.3 kB
The Digital Ham Revolution.pdf 723.8 kB
A Modulation and Ripple Level Meter.pdf 722.0 kB
Line Sections As Capacitances Or Inductances In Microwave Range.pdf 721.2 kB
Versatile Pulse Generator.pdf 719.0 kB
Diversity is a good thing.pdf 712.8 kB
The LED Bar Graph Oscilloscope.pdf 711.5 kB
Doppler-Ultrasound Heart Monitor.pdf 707.1 kB
Bug Detector.pdf 706.9 kB
A Simple Pre-Amplifier For The 70MHz and 50MHz Bands.pdf 706.1 kB
Designing microwave radio links.pdf 705.8 kB
The Noble Art of De-coupling.pdf 703.8 kB
2m Interference Reduction System.pdf 702.3 kB
Common Collector Amplifiers.pdf 700.4 kB
Deciphering RF units of measure.pdf 700.1 kB
A Straight-Through Mixer for 24 GHz.pdf 698.7 kB
Another RF Combiner-Spliter.pdf 696.6 kB
Synthesized Pulse Generator.pdf 696.1 kB
Some Practical Aspects of Toroids.pdf 694.9 kB
High-Speed Multimedia Goes Beyond the Linksys WRT54G.pdf 694.6 kB
Polarization Performance of Circularly Polarized Antennas.pdf 692.1 kB
Audio-Frequency Generator.pdf 688.7 kB
Calculating Antenna-Installation Wind Loading.pdf 688.1 kB
Working With Flip-Flops.pdf 683.7 kB
Infared Logic Probe.pdf 683.2 kB
How Do You Spell VSWR.pdf 681.3 kB
Practical Direct-Sequence Spread Spectrum UHF Link.pdf 678.7 kB
Build an E-Field Meter.pdf 678.4 kB
Introducing Spread Spectrum.pdf 673.3 kB
Formulae and Diagrams for the Approximate Calculation of Micro-Striplines.pdf 671.1 kB
Microwave Building Blocks-The Solfan Special.pdf 670.1 kB
Power Splitter For 70cms.pdf 668.2 kB
Is Silver-Plating Worth While in RF Applications.pdf 665.0 kB
Project 25 for Amateur Radio.pdf 662.9 kB
SWR by any other name.pdf 661.8 kB
Dual-Band Twin Lead Antenna.pdf 659.0 kB
Build a 3-Band Shortwave Converter For Your Car.pdf 656.6 kB
The BasicX-24.pdf 656.3 kB
Single-Chip Frequency Converter.pdf 656.2 kB
Home-Brew the Blockbuster.pdf 653.7 kB
Explore 220 With This State-Of-The-Art Transverter.pdf 653.6 kB
Minature UHF Fox Transmitter.pdf 650.2 kB
Pre-distortion Simplifies Mobile Data Integration.pdf 646.9 kB
Arduino The Experimenters Friend.pdf 644.6 kB
Voice Shifter.pdf 644.2 kB
RF Signal Generator.pdf 642.0 kB
Simple Capacitance Meter.pdf 641.4 kB
Defining Your Function Keys.pdf 640.8 kB
RC Filters.pdf 637.2 kB
Astronauts on Your Repeater.pdf 634.9 kB
Build An Infra-red Snooperscope.pdf 634.5 kB
Understanding standing wave ratios.pdf 625.3 kB
A Perl-Tk Package for NEC Based Antenna Design.pdf 623.8 kB
High-Speed Networking- Time to Net Its Benefits.pdf 623.0 kB
Microwave ATV-A New Approach.pdf 622.5 kB
HP AppCAD - A Software Collection for Calculating Microwave Exercises.pdf 621.6 kB
High Speed Multimedia Radio.pdf 620.3 kB
How To Get Into HSMM.pdf 617.8 kB
Avoiding RF Oscillation.pdf 614.2 kB
See-In-The-Dark Viewer.pdf 613.1 kB
Why I Like Linux and Other Tales.pdf 612.3 kB
Using the PIN Diode.pdf 611.6 kB
The Integration of Amateur Radio and 802.11.pdf 610.5 kB
Helium-Neon Laser.pdf 609.0 kB
Sound Card Packet.pdf 608.8 kB
An ATV Transmitter for the 24 cm Band.pdf 608.5 kB
Who Said Marconi Invented Wireless.pdf 608.4 kB
Digital Hamming-A Need for Standards.pdf 606.0 kB
Pilot Carrier Frequency Standard.pdf 604.6 kB
Cheap Yagis for 2450 MHz.pdf 602.5 kB
Building a Beacon for 2401 MHz.pdf 601.2 kB
Antenna Wind Loading.pdf 598.4 kB
RF Interference from Vehicle Engines.pdf 596.9 kB
Build the Featherweight 6-Meter Yagi.pdf 596.8 kB
NW Digital UDRX-440 Data Radio.pdf 593.8 kB
From Ether to Ethernet.pdf 593.7 kB
Bionic Ears.pdf 593.4 kB
Receiver front-end characteristics.pdf 593.4 kB
A Sweep Tuner for the VCO.pdf 591.8 kB
A Thermal Power Mount.pdf 589.6 kB
Binaural Basics.pdf 586.4 kB
The Hinternet and VPN Projects.pdf 585.4 kB
Dual-Band VHF-UHF Twinlead J-Pole Antenna.pdf 585.0 kB
Flate Plane Antennas.pdf 584.5 kB
A UHF-SHF Marker Generator.pdf 584.3 kB
Surviving the Unthinkable.pdf 582.5 kB
Freeware Signal Fingerprinting- Xmit_ID.pdf 581.0 kB
Fingerprinting Transmitters- MoTrons TxID-1.pdf 580.5 kB
Professor might have solved SDR.pdf 580.4 kB
Impedance Transformation using a quarter wavelength Line.pdf 578.9 kB
Oscilliscope Line-Analyzer Accessory.pdf 576.3 kB
HSMM and Field Day.pdf 573.0 kB
The DDRR-Directional Discontinuity Ring Radiator.pdf 571.4 kB
RF transmission line tips.pdf 571.1 kB
Harry Rubinstein- Inventor of the Printed Circuit.pdf 571.0 kB
Laser Communicator.pdf 570.4 kB
A Gunn Oscillator Detector and Mixer Module for 24 GHz.pdf 569.8 kB
Automatic Frequency Control and Supression of Acoustic Feedback in Conjunction with 10 GHz Transceivers.pdf 565.8 kB
24-23 cm -Band Linear Power Amplifier Module M 57762.pdf 565.4 kB
Measurement Aids for the UHF Amateur.pdf 564.7 kB
Balun Designs for Wireless-Mixers-Amplifiers and Antennas.pdf 563.3 kB
VHF-UHF-Microwave Radio Propagation.pdf 562.5 kB
High Voltage Regulated PSU.pdf 562.5 kB
The Swallow UHF Prescaler.pdf 562.0 kB
PTT Control From Receiver Audio.pdf 561.3 kB
Add Remote Cotntrol to Your ICOM Transceiver.pdf 557.6 kB
Elevator A Simple 220-MHz FM Transverter.pdf 557.0 kB
The 220 MHz All-Mode Transverter.pdf 556.0 kB
Repairing Compact Disc Players.pdf 554.6 kB
Using Ceramic Resonators in Oscillators.pdf 552.1 kB
Building Simple Isolation Interface Devices.pdf 551.4 kB
A 900-MHz Parrot Repeater.pdf 551.1 kB
Straight-Through Mixer for 24 GHz.pdf 547.4 kB
A Single Stage 1500W Amplifer For 160-80-40 Meters.pdf 543.3 kB
Tramplifier for 432 MHz.pdf 543.1 kB
Complex Numbers Explained.pdf 541.8 kB
Digital mW meter.pdf 541.7 kB
Screw-Tuned Filter for the X-Band.pdf 541.5 kB
WB2REM Remote Link.pdf 541.1 kB
Build This Modem For Your Commadore 64.pdf 540.0 kB
Solid-State Devices For 1 GHz.pdf 539.0 kB
Aircraft Enhancement.pdf 537.8 kB
D-Star Digital Data-CryptoUP.pdf 535.7 kB
Experiments with a 10 GHz Frequency Multiplier with Interdigital Filter Coupling.pdf 535.2 kB
A Simple Deviation Meter.pdf 534.0 kB
The Doppler Effect over Radio Links Using Active or Passive Reflectors.pdf 533.3 kB
More Cheap Yagis.pdf 532.2 kB
Switching vs linear power supplies.pdf 531.8 kB
Practical Spread-Spectrum-Clock Recovery With the Synchronous Oscillator.pdf 529.5 kB
The Worlds Largest ELF.pdf 529.0 kB
The Ferret Audio Filter.pdf 526.8 kB
The 50 Dollar Sweeper.pdf 523.8 kB
Microwavelengths.pdf 523.0 kB
Voltage Doubler.pdf 518.6 kB
Wireless Local Area Network Design.pdf 518.2 kB
Audio Attenuator.pdf 516.1 kB
A Three And Half Band Yagi.pdf 515.0 kB
Radio Line-of-Sight Paths from the USGS Digital-Elevation Database.pdf 514.9 kB
Web Pages on Packet Radio.pdf 514.2 kB
Ultra Wide Band.pdf 513.9 kB
Inside Digital TV-VCR Tuners.pdf 513.2 kB
HDTV - Past Present and Future.pdf 511.0 kB
Build A Brain Wave Feedback Monitor.pdf 509.8 kB
The Amateur Packet Radio Handbook.pdf 507.8 kB
Line-of-Sight Microwave Communications.pdf 507.3 kB
BIOS Data Area Information.pdf 507.1 kB
Multiplication division and addition of a 10 MHz source to get a synthesised VHF signal.pdf 506.2 kB
Simple Approach to Complex Circuits.pdf 504.3 kB
UHF Modems For Amateur Radio Stations.pdf 502.9 kB
Radar Detector to Microwave Receiver Conversion.pdf 498.7 kB
Voltage Cursor Adapter.pdf 492.2 kB
Xastir.pdf 490.9 kB
Crystal Microwave.pdf 490.0 kB
Magazine Editor Has Been Radioactive for 50 Years.pdf 489.5 kB
How To Make Custom Meters From Salvaged Parts.pdf 486.8 kB
Lasers and Amateur Radio.pdf 481.1 kB
No-Tune Transverter for the 2304-MHz Band.pdf 480.1 kB
FYI-FQY.pdf 474.1 kB
Skinflint Lightning Arrestors.pdf 473.8 kB
2.4-GHz Patch Antennas.pdf 471.4 kB
A PIC16F84-Based CW Decoder.pdf 470.0 kB
Power Supply Crowbar Protection Circuit.pdf 469.8 kB
Choosing The Right Capacitor.pdf 467.3 kB
Home-Brew X-Band Wavemeter.pdf 466.0 kB
CMOS Clock Circuits.pdf 463.9 kB
Fabrication of Printed-Circuit Boards.pdf 462.7 kB
Working With Op-Amps.pdf 461.4 kB
No-Tune Transverter for 3456 MHz.pdf 461.3 kB
Vocoding-Creating Digital Voice.pdf 460.0 kB
A Look Inside D-Star Modulation.pdf 456.5 kB
Amateur Radio Networks and the Internet.pdf 456.2 kB
Build a 2-Meter Intermod Notch Trap.pdf 454.5 kB
Working With Torid Cores.pdf 453.1 kB
A Five-Element 2-Meter Yagi.pdf 452.3 kB
A Spectrum Analyzer for the Radio Amateur.pdf 451.2 kB
Therman Power Measurement - yet another look.pdf 451.1 kB
Laser Communication Systems.pdf 449.7 kB
A Uniquely Tuned 2 Meter Transmitter Hunting Loop.pdf 448.4 kB
A Wavemeter for the Frequency Range 23.5 to 24.5 GHz.pdf 447.0 kB
Bat Detector.pdf 445.8 kB
An Off-Air 1988 kHz Frequency Source.pdf 445.6 kB
Crystal Oscillators.pdf 442.7 kB
Care And Feeding Of Gunnplexers.pdf 442.2 kB
Locating Power Line Noise Using TV Waveforms.pdf 442.0 kB
902- to 144-MHz Receive Converter.pdf 439.2 kB
The Magnetron-A Low Noise Long Life Amplifier.pdf 437.6 kB
Improving the K1FO 8874 432-MHz Amplifier.pdf 433.9 kB
Brain Waves and Biofeedback Training.pdf 433.0 kB
Explore USB with this USB to CI-V Interface.pdf 432.9 kB
Meet The New Guy.pdf 430.8 kB
Television Receiver Field-Strength Indicator.pdf 429.0 kB
A Compact Two-Element 2-Meter Beam.pdf 428.7 kB
An Introduction To The Bilateral Transverter.pdf 427.5 kB
Classic Video Amps Revisited.pdf 426.8 kB
Radio Astronomy Terms Explained.pdf 424.3 kB
D-Star Antennas.pdf 423.7 kB
Converting Radar Detectors to 10-GHz Rigs.pdf 423.5 kB
Different Grounds For Different Shacks.pdf 422.6 kB
900-MHz Band-Whats in Store for Amateurs.pdf 422.0 kB
N0GSG Portable Radio Direction Finder.pdf 420.1 kB
New High-Speed Multi-Media Radio Mesh Networking.pdf 419.8 kB
RSGB-Remote-HF.pdf 417.2 kB
Inexpensive Hardline.pdf 417.2 kB
Entertainment And Interference-The Two Faces Of CATV.pdf 416.3 kB
How To Design Analog Filter Circuits.pdf 416.0 kB
432 Collinear From Coax.pdf 411.5 kB
Printed Circuit Boards--An Easier Way.pdf 410.1 kB
Cellular Surplus.pdf 409.7 kB
Measuring Wavelengths at Microwave Frequencies - Simply and Cheaply.pdf 409.6 kB
Introducing Sherlock - A Hi-Tech Fox Hunting Tool.pdf 407.2 kB
Coupled Microstriplines as Filter.pdf 401.6 kB
Robotics-Ultrasonic Vision.pdf 401.3 kB
Attenuation Of Electromagnetic Waves By Vegetation.pdf 399.9 kB
Home-brew Spectrum Analyzer.pdf 398.1 kB
Spread-Spectrum Applications In Amateur Radio.pdf 398.1 kB
Pocket dBm RF Power Meter.pdf 396.0 kB
Grounded-Grid Kilowatt Amplifier for 432 MHz.pdf 391.7 kB
Pre Divider up to 5 GHz.pdf 390.8 kB
Pagers.pdf 386.9 kB
10 GHz Varactor Tuned Gunn Oscillator.pdf 385.5 kB
The Four Way DFer.pdf 384.4 kB
The Real Inventor Of Wireless.pdf 382.4 kB
Digital Modulation from ASK to OQPSK.pdf 381.7 kB
Binaural Mikeset.pdf 380.9 kB
A Sprectrum Generator for the 24 GHz Band.pdf 375.7 kB
All-Band Field Strength Meter.pdf 373.3 kB
Determining the Antenna Gain in the GHz Range.pdf 372.7 kB
Voice Track-Talking Controller.pdf 370.3 kB
A New Method of Mounting and Feeding A Gunn Element Using a BNC Connector.pdf 368.3 kB
VOIP and Amateur Radio.pdf 365.1 kB
Quantifying SETI.pdf 362.9 kB
A PIC SWR Meter.pdf 357.5 kB
Rolling Your Own with Digital Amateur Radio.pdf 356.7 kB
The Hinternet on 5 GHz.pdf 356.5 kB
A Spectrum Analyser In Your Shack.pdf 354.9 kB
Tracing And Eliminating Power Line Interference.pdf 353.7 kB
A Marker Generator for 10 MHz and 1 MHz Markers.pdf 353.4 kB
HSMM and Information Security.pdf 349.4 kB
How ET Really Called Home.pdf 347.9 kB
Electronics and Brain Control.pdf 346.8 kB
Storm Detection by Radio.pdf 344.3 kB
Practical Spread Spectrum-An Experimental Transmitted-Reference Data Modem.pdf 341.0 kB
Digital Video Coming to the 440-MHz Band.pdf 340.5 kB
Telephone Line Tester.pdf 338.0 kB
A Look At Emergency Phone Numbers.pdf 337.0 kB
Microwave Building Blocks-The Doubly-Balanced Mixer.pdf 336.5 kB
A Modular High-Performance 23-cm ATV Transceiver.pdf 336.3 kB
Serian A-D Converter for an IBM PC.pdf 335.6 kB
Serial A-D Converter for an IBM PC.pdf 335.6 kB
Find Fault with Your Coax.pdf 333.0 kB
The DSE Radio Direction Finder.pdf 324.2 kB
Audio Amplifiers You Can Build.pdf 323.4 kB
On Amateur Radio Use of IEEE 802.11b.pdf 320.8 kB
Understanding Ungrounded Oscilloscope Measurements.pdf 316.5 kB
The Hinternet-Protecting HSMM Radio Networks.pdf 315.3 kB
Getting on on the Internet-Your First HSMM Radio Station.pdf 314.7 kB
Two-Band 1.2 and 2.4 GHz Feed-Horn for Parabolic Antennas.pdf 314.6 kB
Build The Montreal Fox Controller.pdf 314.6 kB
New Jerseys South Counties Emergency Radio Network.pdf 314.5 kB
ATV Handbook.pdf 314.1 kB
Pour an Antenna for X-Band.pdf 313.9 kB
Rock Solid RF.pdf 313.5 kB
New Mod For Digital Decoding.pdf 310.6 kB
A Primer on Digital Signal Interfaces.pdf 308.6 kB
Gunn and IMPATT Microwave Devices.pdf 307.0 kB
Single-Board- No-Tune 902-MHz Transverter A.pdf 305.7 kB
Single-Board No-Tune 902-MHz Transverter.pdf 305.7 kB
A Five-Element Quad Antenna for 2-Meters.pdf 305.6 kB
Making Two-Sided Circuit Boards by the Photoetching Process.pdf 302.8 kB
RTTY Artwork.pdf 298.0 kB
GRAPES 56 Kb Modem.pdf 297.9 kB
IR Code Analyser.pdf 293.6 kB
An Experimental Variometer.pdf 292.8 kB
Finding Field Strength The Simple Way.pdf 291.7 kB
Color TV-That Isnt.pdf 291.0 kB
The Worldwide RTTY Art Contest.pdf 289.5 kB
Put Your All-Mode 2-Meter Rig on 220.pdf 289.0 kB
Amateur Spread-Spectrum Experimentation.pdf 288.8 kB
Diversity Communications.pdf 284.3 kB
Want a Good Microwave Antenna-Drink More Coffee.pdf 280.6 kB
Improved Pin-Diode Switch for Transmit-Receive Switching.pdf 279.3 kB
Electric Fence Interference-A Case History.pdf 276.6 kB
D-STAR For VHF-UHF.pdf 276.1 kB
A Simple dB-Linear S-Meter for Microwave Applications.pdf 275.1 kB
The Magical Audio Filter.pdf 274.8 kB
Amateur use of the optical spectrum - above 300 GHz.pdf 274.6 kB
More Microwave Test Equipment For 10 GHz.pdf 273.4 kB
Two Meter Tracking Transmitter.pdf 273.2 kB
Build The FoxTTL Foxhunt Transmitter.pdf 272.3 kB
Spread Spectrum And The Radio Amateur.pdf 271.5 kB
Detect Killer Tornadoes.pdf 270.8 kB
A Guide to the Fourier Transform.pdf 270.0 kB
TV-VCR Tuner Applications.pdf 267.8 kB
Mechanical Design Tips for EMI Shielding.pdf 265.1 kB
The Sociology of Regulations.pdf 261.6 kB
An Injection-Locked Oscillator for the 10 GHz Band.pdf 257.7 kB
Cutting Current to Size.pdf 257.4 kB
Build An Active Antenna.pdf 257.3 kB
All-Purpose Op-Amps.pdf 254.7 kB
A Gunn Oscillator for the 24 GHz Band.pdf 254.7 kB
Waveguide for the 24 GHz Band.pdf 254.4 kB
A Linear 1 W Power Amplifier for 2400 MHz.pdf 253.4 kB
Double-Ducky Direction Finder.pdf 253.4 kB
Voice Recognition for FM Repeaters.pdf 252.0 kB
Building A Wavemeter.pdf 251.6 kB
Relative RF Power Meter.pdf 251.5 kB
QRP Transmitting Converter.pdf 250.8 kB
How To Build High-Q Coils.pdf 250.2 kB
Build a Four-Level FSK Data Decoder Interface.pdf 247.2 kB
The Flap Over Digital Decoding.pdf 245.7 kB
Dealing With Man-Made Noise.pdf 245.6 kB
The Incredible Digiohm.pdf 245.6 kB
How To Build A Stable VFO.pdf 243.7 kB
For Tunable Oscillators Its The Pitts.pdf 242.7 kB
Baluns Do We Need Them.pdf 241.9 kB
A Simple Noise Figure Meter.pdf 241.1 kB
Radio To Computer Data Interface.pdf 238.5 kB
Using FETs As RF Power Amplifiers.pdf 236.7 kB
Long Life For Your Transmitting Tubes.pdf 236.0 kB
Digital Voice Protection.pdf 235.9 kB
Data Delivery.pdf 232.6 kB
High-Power Cavity Amplifier For The New 900-MHz Band.pdf 231.7 kB
How To Decode ASTRO Digital Signals.pdf 231.5 kB
RF Output Power vs Load Impedance.pdf 231.4 kB
D-STAR Technical Chararistics.pdf 230.4 kB
Universal Radio Programmer.pdf 230.1 kB
An RF Ammeter.pdf 229.5 kB
Broadcast Band Interference.pdf 229.2 kB
Annie Get Your Gunnplexer.pdf 228.6 kB
902-MHz Loop Yagi Antenna.pdf 228.4 kB
An RF-Probe for Test and Measurement Purposes.pdf 227.6 kB
Nontraditional Field Day-You Bet.pdf 225.5 kB
How To Build A Frequency Converter.pdf 224.8 kB
High Power Notch Filter.pdf 223.8 kB
Capacitance Meter.pdf 223.7 kB
Microwave Propagation.pdf 220.5 kB
A Portable Direction-Finding Antenna.pdf 220.4 kB
Is the ARRL Turning 2.4 GHz into the Next CB Band.pdf 220.0 kB
A Temperature Controlled Oven.pdf 218.2 kB
Spread Spectrum Frequency Hopping Direct Sequence and You.pdf 217.9 kB
Electronics vs Ceeepy Crawlers.pdf 217.6 kB
An Audio-Noise-Based Voting Circuit.pdf 216.9 kB
Terminating 75 Ohm-7-8 Inch Hardline with SO-239.pdf 216.3 kB
A 146 and 445 MHz J-Pole Antenna.pdf 215.9 kB
Direct Digital Synthesizer for Radio Projects.pdf 214.5 kB
A Simple Receiver For The Beginner.pdf 214.1 kB
An Up-Converter for Extending the Frequency Range of Signal Generators.pdf 213.8 kB
A 5.8 GHz Fully-Integrated Power Amplifier for 802.11a WLAN System .pdf 213.5 kB
Army Surplus CW.pdf 213.4 kB
Is All Data Acceptable Data.pdf 212.5 kB
Microphone Impedance And Amplification.pdf 211.9 kB
The Cubical Quad.pdf 211.8 kB
A Survey of Direction Finding Techniques and Antennas.pdf 210.4 kB
Pocket-Size VHF SWR Meter.pdf 210.1 kB
Understanding Crystal Oscillators.pdf 209.5 kB
Coxial SHF-Connectors Constucted from Bicycle Tire Valves.pdf 208.2 kB
Active Magnetic Antennas.pdf 208.1 kB
The Great Aluminum Cover-Up.pdf 206.8 kB
Making Printed Circuit Boards.pdf 206.2 kB
A Rugged Compact Attenuator.pdf 206.0 kB
Making Your Own PCBs.pdf 203.1 kB
Fast Internet Access By ADSL Technology.pdf 202.4 kB
A Circularly Polarized 60 GHz Microstrip Antenna.pdf 201.9 kB
Things You Can Do With Diodes.pdf 201.1 kB
Women In Amateur Radio.pdf 200.6 kB
Digital Voice and Data Modes The Way Forward.pdf 199.2 kB
A Miniature HF to VHF AM-FM Receiver Using the NE605.pdf 198.9 kB
General Purpose VHF-UHF Antenna.pdf 197.7 kB
902 FM-UHFs Final Frontier.pdf 196.6 kB
King of the Pulse Generators.pdf 196.4 kB
A Horizontally Polarized Omni-Directional Antenna.pdf 194.5 kB
Build A Simple Scanner Converter.pdf 194.3 kB
The Poor Mans Radar.pdf 193.2 kB
Flash Tubes.pdf 190.0 kB
Stabilizing the Operating Point of Preamplifiers and Linear Amplifiers for an Output Power up to Approx 1 W.pdf 189.9 kB
A Step Attenuator You Can Build.pdf 189.8 kB
Switchless bidirectional amplifier for wireless communication systems.pdf 188.0 kB
SHARKS and Tsunamis.pdf 187.1 kB
What is HSMM.pdf 185.6 kB
CATV Leakage-A Two Way Street.pdf 182.5 kB
Microwavelengths-The Transverter.pdf 177.4 kB
Cellular Phones.pdf 175.0 kB
Frequency Calibration Using WWV.pdf 174.7 kB
A 10 Dollar Phone Patch.pdf 173.6 kB
High Speed Multimedia at 3.5 GHz.pdf 171.7 kB
An Inexpensive Low Noise Preamplifier for 432 MHz.pdf 163.9 kB
Choosing the Right Diode for your AGC Detector.pdf 163.3 kB
Intermodulation Reviewed.pdf 160.6 kB
An Active Attenuator For Transmitter Hunting.pdf 160.5 kB
144 MHz Stop-Band TVI Filters.pdf 159.7 kB
Build This Solid-State PA for 440 MHz.pdf 159.2 kB
Transmatch For 432 MHz--Why Not.pdf 156.9 kB
An Inexpensive TDR.pdf 154.0 kB
How Many of These Magazines Do You Remember.pdf 150.6 kB
An S band to 70cm receive converter for P3D.pdf 148.7 kB
Wideband Active Loop Antenna.pdf 148.6 kB
A High Gain Horn Antenna for 220 And 420 MHz.pdf 147.9 kB
Inexpensive Basic Stamp Controller.pdf 147.3 kB
Monitoring Spread Spectrum Comms.pdf 143.0 kB
Resonance and Reactance.pdf 141.1 kB
An Inexpensive 10 GHz Dish System.pdf 140.3 kB
The Hinternet and openHSMM.pdf 136.5 kB
Automobile Ignition Substitute.pdf 133.8 kB
Bringing Digital Radio to Amateur Radio.pdf 132.9 kB
D-STAR Digital Voice versus Analog FM Sensitivity.pdf 130.8 kB
A No-Tune 2-Meter Bandpass Filter.pdf 125.2 kB
The Serial Port-Breakfast Of Champions.pdf 124.6 kB
Microwave and RF Cable Assemblies-The Neglected System Component.pdf 123.4 kB
Six Meters From Your Easy Chair.pdf 123.3 kB
Use It Or Lose It.pdf 121.4 kB
What is Happening to the HSMM Working Group.pdf 119.6 kB
Build An IC Light Modulator.pdf 118.9 kB
Remote-Controlled HF Operation over the Internet.pdf 118.1 kB
Design of a Dual Patch Triangular Microstrip Antenna.pdf 114.5 kB
Isolated-Pad Circuit-Board Construction.pdf 114.3 kB
RFI-Intermodulation.pdf 113.5 kB
Worlds Fair Super Squelch.pdf 112.1 kB
Dielectric Materials at Microwave Frequencies.pdf 109.2 kB
Wireless Digital Modulation.pdf 108.1 kB
A PIC Of An IDer.pdf 107.0 kB
75-Ohm Cable-Additional Options.pdf 106.5 kB
DTMF-Converter And HF-Link Controller.pdf 105.9 kB
Clean Up Your Signals With Band-Pass Filters.pdf 105.0 kB
MMIC Preamp for DC to Daylight.pdf 104.8 kB
Doctor Of Modifications Dies.pdf 104.5 kB
Low-Pass Filters and the 144 MHz Band.pdf 101.8 kB
One-Chip AFSK Generator.pdf 101.3 kB
Low Noise Amplifiers for 2304 3456 5760 and 10368 MHz.pdf 101.2 kB
June 1996 The Last Issue of RCMA Scanner Journal.pdf 100.1 kB
Columbia Shuttle Recovery and 802.11b.pdf 99.1 kB
Options On The IF.pdf 97.1 kB
Calibration and Repair for Bird Wattmeter Elements.pdf 96.0 kB
Yes-All My Coax Cables Are 75 Ohms.pdf 85.8 kB
Low Cost Lowpass Filter Design Using Image Parameters.pdf 77.6 kB
Some Encryption is Legal.pdf 75.3 kB
Troubleshooting Electrical Noise.pdf 75.3 kB
12V-to-24V Converter.pdf 73.0 kB
Ceramic Bandpass Filters-Boon or Bane.pdf 69.3 kB
A Review of ABCD Parameters .pdf 68.2 kB
Technology and the Future of Amateur Radio.pdf 67.2 kB
Inexpensive High Speed Packet is Here.pdf 66.7 kB
6 Meter J-Pole.pdf 60.4 kB
Transmission Line Transformer Basics.pdf 56.9 kB
Capacitor Basics.pdf 53.3 kB
Surge Protection.pdf 46.9 kB
SW Converter for AM Radio.pdf 38.7 kB
Amateur Radio and 802.11.pdf 32.5 kB
10 Element 900 MHz Quagi.pdf 25.9 kB
2.4GHz Pringles Can Antenna.pdf 25.6 kB
Dual Band J-Pole.pdf 20.3 kB
Super-J-Pole.pdf 19.2 kB

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