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1

  • 10 Dollar Phone Patch.pdf - 169.51 KB
  • 10 Element 900 MHz Quagi.pdf - 25.30 KB
  • 10 GHz RF Preamp.pdf - 727.40 KB
  • 1296 MHz Transverter.pdf - 1.30 MB

    2

  • 2.4 GHz Pringles Can Antenna.pdf - 24.98 KB
  • 2.4 GHz Transverter.pdf - 460.39 KB
  • 220 MHz All-Mode Transverter.pdf - 543.02 KB
  • 2m Tracking Transmitter.pdf - 266.78 KB
  • 2m Transverter.pdf - 759.59 KB

    3

  • 3456 MHz Linear Transverter.pdf - 1.98 MB

    4

  • 432 Collinear From Coax.pdf - 401.84 KB
  • 4800 Baud Modem Daughter Board.pdf - 11.27 MB

    5

  • 50 Dollar Sweeper.pdf - 511.48 KB

    6

  • 6m J-Pole.pdf - 58.97 KB

    7

  • 75-Ohm Cable - Additional Options.pdf - 103.96 KB

    9

  • 900 MHz Parrot Repeater.pdf - 538.20 KB
  • 902 MHz - UHFs Final Frontier.pdf - 191.97 KB

    A

  • A Beginners Course in Assembly Language.pdf - 3.81 MB
  • A Look Inside D-Star Modulation.pdf - 445.77 KB
  • APCO-25.pdf - 1.34 MB
  • APRX Software Manual.pdf - 428.07 KB
  • ATV Handbook.pdf - 306.73 KB
  • ATV Transmitter from a Microwave Oven.pdf - 985.58 KB
  • Active Audio Filters.pdf - 899.34 KB
  • Active Filters.pdf - 972.64 KB
  • Air Hop-Light Beam Communicator.pdf - 1.35 MB
  • Aircraft Enhancement.pdf - 525.15 KB
  • Alternative Options for Resolving HSMM Interference Issues.pdf - 903.12 KB
  • Amateur Radio Networks and the Internet.pdf - 445.46 KB
  • Amateur Radio and 802.11.pdf - 31.71 KB
  • An Introduction to Surface Mount Devices.pdf - 1.33 MB
  • Analog Delay Lines.pdf - 842.70 KB
  • Antenna Toolkit - 2nd Edition.pdf - 4.73 MB
  • Arduino Robotics.pdf - 20.96 MB
  • Army Surplus CW.pdf - 208.38 KB
  • Arrow Antenna.pdf - 1.19 MB
  • Astronauts on Your Repeater.pdf - 620.05 KB
  • Audio PreAmp ICs.pdf - 759.79 KB
  • Audio-Frequency Generator.pdf - 672.51 KB
  • Automobile Ignition Substitute.pdf - 130.64 KB
  • Avoiding RF Oscillation.pdf - 599.82 KB

    B

  • BIOS Data Area Information.pdf - 495.17 KB
  • Balun Designs for Wireless - Mixers, Amplifiers and Antennas.pdf - 550.14 KB
  • Binaural Basics.pdf - 572.66 KB
  • Brain Waves and Biofeedback Training.pdf - 422.88 KB
  • Broadband Wireless Internet Access and Amateur Radio.pdf - 1.12 MB
  • Bug Detector.pdf - 690.33 KB
  • Build A Brain Wave Feedback Monitor.pdf - 497.88 KB
  • Build A Semiconductor Laser System.pdf - 1.12 MB
  • Build An Alphanumeric Pager Decoder.pdf - 4.21 MB
  • Build An IC Light Modulator.pdf - 116.15 KB
  • Build An Infra-red Snooperscope.pdf - 619.59 KB
  • Build The FoxTTL Foxhunt Transmitter.pdf - 265.90 KB
  • Build The Montreal Fox Controller.pdf - 307.21 KB
  • Build a 2m Intermod Notch Trap.pdf - 443.85 KB
  • Build the Featherweight 6m Yagi.pdf - 582.79 KB
  • Building Simple Isolation Interface Devices.pdf - 538.52 KB
  • Building a Beacon for 2401 MHz.pdf - 587.07 KB
  • Building a Decent RF Network.pdf - 1.22 MB
  • Burlington Railroad Telegrapher, Joseph Ballengee.pdf - 4.60 MB

    C

  • CMOS Clock Circuits.pdf - 453.02 KB
  • Calibration and Repair for Bird Wattmeter Elements.pdf - 93.75 KB
  • Can HSMM Find a Real Home in Ham Radio.pdf - 946.49 KB
  • Carrier Current Receiver.pdf - 842.39 KB
  • Caveman Radio.pdf - 842.26 KB
  • Cellular Surplus.pdf - 400.08 KB
  • Ceramic Bandpass Filters-Boon or Bane.pdf - 67.66 KB
  • Chat on the Air with LinPSK.pdf - 707.36 KB
  • Cheap Antennas for LEO Satellites.pdf - 371.35 KB
  • Cheap Yagis for 2450 MHz.pdf - 588.38 KB
  • Cheap and Easy High-Speed Data Connection.pdf - 1.09 MB
  • Choosing the Right Diode for your AGC Detector.pdf - 159.50 KB
  • Circuit Design on Your Linux Box Using gEDA.pdf - 1.07 MB
  • Circularly Polarized 60 GHz Microstrip Antenna.pdf - 197.17 KB
  • Classic Rain-Gutter Loop Antenna.pdf - 352.17 KB
  • Classic Video Amps Revisited.pdf - 416.78 KB
  • Color TV-That Isnt.pdf - 284.14 KB
  • Columbia Shuttle Recovery and 802.11b.pdf - 96.79 KB
  • Combustable Gas Alarm.pdf - 783.23 KB
  • Common Collector Amplifiers.pdf - 683.96 KB
  • Communications System Using Gunplexer Transceivers.pdf - 5.49 MB
  • Components for 10-GHz and Up Transceivers.pdf - 709.67 KB
  • Converting Radar Detectors to 10-GHz Rigs.pdf - 413.59 KB
  • Crystal Microwave.pdf - 478.54 KB
  • Crystal Oscillators.pdf - 432.33 KB
  • Cutting Current to Size.pdf - 251.37 KB

    D

  • D-Arsonval Dossier.pdf - 900.15 KB
  • D-STAR Antennas.pdf - 413.82 KB
  • D-STAR Digital Data-CryptoUP.pdf - 523.15 KB
  • D-STAR Digital Voice versus Analog FM Sensitivity.pdf - 127.72 KB
  • D-STAR For VHF-UHF.pdf - 269.61 KB
  • D-STAR Technical Chararistics.pdf - 225.04 KB
  • DDRR - Directional Discontinuity Ring Radiator.pdf - 558.03 KB
  • DF Breakthough-Turkey Tracker.pdf - 1.29 MB
  • DSE Radio Direction Finder.pdf - 316.61 KB
  • DTMF Encoding and Decoding.pdf - 1,007.44 KB
  • Data Encryption is Legal.pdf - 892.17 KB
  • Defining Your Function Keys.pdf - 625.74 KB
  • Design of a Dual Patch Triangular Microstrip Antenna.pdf - 111.79 KB
  • Detect Killer Tornadoes.pdf - 264.46 KB
  • Dielectric Materials at Microwave Frequencies.pdf - 106.62 KB
  • Digital Altimeter.pdf - 944.70 KB
  • Digital Amateur Television.pdf - 968.34 KB
  • Digital Hamming-A Need for Standards.pdf - 591.81 KB
  • Digital Modulation from ASK to OQPSK.pdf - 372.71 KB
  • Digital Signal Processing.pdf - 2.15 MB
  • Digital Video Coming to the 440-MHz Band.pdf - 332.54 KB
  • Digital Voice and Data Modes The Way Forward.pdf - 194.57 KB
  • Direct Conversion Receivers History - W7ZOI.pdf - 250.61 KB
  • Diversity Antenna.pdf - 1.45 MB
  • Doppler-Ultrasound Heart Monitor.pdf - 690.56 KB
  • Dot-Bar-Graph Display Drivers.pdf - 748.91 KB
  • Down-Under Depth Sounder.pdf - 788.58 KB
  • Dual Band J-Pole.pdf - 19.79 KB

    E

  • EARC End Fed HF Antenna.pdf - 614.48 KB
  • Elecraft - KX1 Owners Manual Rev E.pdf - 2.63 MB
  • Elecraft - KXAT1 Manual Rev A.pdf - 384.23 KB
  • Elecraft KX2 Manual Rev A5.pdf - 3.07 MB
  • Electronics and Brain Control.pdf - 338.71 KB
  • Electronics for Dummies.pdf - 19.94 MB
  • Electronics vs Ceeepy Crawlers.pdf - 212.48 KB
  • Electroocardiograph.pdf - 1.40 MB
  • Error Correcting In Data Transmission.pdf - 1.56 MB
  • Ethics and Operating Procedures for the Radio Amateur.pdf - 2.07 MB
  • Explore USB with this USB to CI-V Interface.pdf - 422.74 KB

    F

  • FCC - Measurements of Environmental Electromagnetic Fields at Amateur Radio Stations.pdf - 145.09 KB
  • Find Fault with Your Coax.pdf - 325.23 KB
  • Finding Cable Faults.pdf - 739.74 KB
  • Five-Element Quad Antenna for 2m.pdf - 298.46 KB
  • Flash Tubes.pdf - 185.50 KB
  • Flate Plane Antennas.pdf - 570.78 KB
  • Forrest Mims - 555 Timer IC Circuits.pdf - 2.82 MB
  • Forrest Mims - Basic Semiconductor Circuits.pdf - 4.28 MB
  • Forrest Mims - Communications Projects.pdf - 10.22 MB
  • Forrest Mims - Getting Started in Electronics.pdf - 12.58 MB
  • Forrest Mims - Magnet And Sensor Projects.pdf - 4.21 MB
  • Forrest Mims - Op Amp IC Circuits.pdf - 4.24 MB
  • Forrest Mims - Optoelectronics Circuits.pdf - 4.10 MB
  • Forrest Mims - Schematic Symbols, Device Packages, Design And Testing.pdf - 4.35 MB
  • Forrest Mims - Sensor Projects.pdf - 4.35 MB
  • Forrest Mims - Solar Cell Projects.pdf - 4.44 MB
  • Foxbox.pdf - 1.71 MB
  • Frequency Calibration Using WWV.pdf - 170.65 KB

    G

  • G0KYA - EFHW Antennas.pdf - 7.07 MB
  • G0KYA EFHW Antenna.pdf - 7.07 MB
  • G7FEK Nested Marconi Antenna.pdf - 664.31 KB
  • GRAPES 56 Kb Modem.pdf - 290.94 KB
  • Getting on on the Internet-Your First HSMM Radio Station.pdf - 307.34 KB
  • Global Positioning System.pdf - 3.12 MB
  • Great Aluminum Cover-Up.pdf - 201.91 KB
  • Grobs Basic Electronics 2010.pdf - 56.37 MB
  • Gunn and IMPATT Microwave Devices.pdf - 299.79 KB
  • Gunnplexer Cookbook.pdf - 12.11 MB

    H

  • HF Serial-Tone Waveform Design.pdf - 960.82 KB
  • HSMM and Field Day.pdf - 559.57 KB
  • HSMM and Information Security.pdf - 341.22 KB
  • HSMM.pdf - 1.90 MB
  • Ham Radio Paging-Putting POCSAG On Packet.pdf - 900.78 KB
  • Ham Radio and VoIP.pdf - 1.20 MB
  • Ham Radio for Dummies.pdf - 8.71 MB
  • Helium-Neon Laser.pdf - 594.76 KB
  • High Power Magnetron Transmitter.pdf - 2.60 MB
  • High-Performance 2m Transverter.pdf - 1.37 MB
  • Hinternet - Protecting HSMM Radio Networks.pdf - 307.92 KB
  • Hinternet and VPN Projects.pdf - 571.64 KB
  • Hinternet on 5 GHz.pdf - 348.14 KB
  • Home Brew Spectrum Analyzer.pdf - 388.77 KB
  • Home Brew X-Band Wavemeter.pdf - 455.08 KB
  • Home Brew the Blockbuster.pdf - 638.34 KB
  • Horisontal Loop Antenna for Shortwave Listening and Amateur Radio Use.pdf - 1.27 MB
  • Horizontally Polarized Omni-Directional Antenna.pdf - 189.93 KB
  • How ET Really Called Home.pdf - 339.78 KB
  • How To Design Analog Filter Circuits.pdf - 406.30 KB
  • How To Get Into HSMM.pdf - 603.29 KB
  • How To Make Custom Meters From Salvaged Parts.pdf - 475.43 KB
  • How to Design Analog Circuits-Biasing Transistors.pdf - 1.01 MB

    I

  • IEEE 802.11b-Friend or Foe.pdf - 1.35 MB
  • IRLP - The Internet Radio Linking Project.pdf - 934.58 KB
  • Icom IC-725 Manual.pdf - 3.12 MB
  • Inexpensive 10 GHz Dish System.pdf - 137.06 KB
  • Inexpensive Hardline.pdf - 407.44 KB
  • Inexpensive High Speed Packet is Here.pdf - 65.17 KB
  • Inexpensive Multi-Megabaud Microwave Data Link.pdf - 2.34 MB
  • Inexpensive TDR.pdf - 150.43 KB
  • Infared Logic Probe.pdf - 667.16 KB
  • Interactions Among Ionosphere Propagation, HF Modems, and Data Protocols.pdf - 39.17 KB
  • Interfacing Your Computer To The Poor Mans Spectrum Analyzer.pdf - 1.89 MB
  • Introducing Sherlock - A Hi-Tech Fox Hunting Tool.pdf - 397.66 KB
  • Introducing Spread Spectrum.pdf - 657.51 KB
  • Introduction to the PICAXE System.pdf - 272.94 KB
  • Is All Data Acceptable Data.pdf - 207.50 KB
  • Isolated-Pad Circuit-Board Construction.pdf - 111.61 KB

    K

  • K4TWJ - Hamfest Buddy QRPp.pdf - 1.10 MB
  • K6BEZ - $50 Antenna Analyzer.pdf - 3.37 MB
  • KD1JV Mountain Topper Radio (MTR) Manual.pdf - 585.16 KB
  • KI6J EFHW Manual.pdf - 959.54 KB
  • King of the Pulse Generators.pdf - 191.84 KB

    L

  • LC Filters.pdf - 771.94 KB
  • Laser Communication Systems.pdf - 439.20 KB
  • Light Beam Communicator.pdf - 1.46 MB
  • Lightning Protection-Taming Thors Thunder-On A Budget.pdf - 1.43 MB
  • LogiTalker Owners Manual.pdf - 230.84 KB
  • Low Cost Lowpass Filter Design Using Image Parameters.pdf - 75.78 KB
  • Low Frequency Converter.pdf - 848.63 KB
  • Low Noise Amplifiers for 2304 3456 5760 and 10368 MHz.pdf - 98.80 KB

    M

  • M12864 Transistor Tester Instructions.pdf - 3.49 MB
  • Make - Electronics.pdf - 16.78 MB
  • Making Printed Circuit Boards.pdf - 201.33 KB
  • Measuring 2.4 GHz Helix Antennas.pdf - 958.07 KB
  • Measuring 9600 baud BER Performance.pdf - 1.68 MB
  • Mechanical Design Tips for EMI Shielding.pdf - 258.88 KB
  • Meet The New Guy.pdf - 420.70 KB
  • Microwave ATV-A New Approach.pdf - 607.93 KB
  • Microwave Basics.pdf - 1.48 MB
  • Microwave Building Blocks-The Doubly-Balanced Mixer.pdf - 328.60 KB
  • Microwave Building Blocks-The Solfan Special.pdf - 654.38 KB
  • Microwave Know How.pdf - 16.29 MB
  • Microwave Propagation.pdf - 215.29 KB
  • Microwave Spectum Analyzer On A Budget.pdf - 3.45 MB
  • Microwave and RF Cable Assemblies-The Neglected System Component.pdf - 120.54 KB
  • Miniature HF to VHF AM-FM Receiver Using the NE605.pdf - 194.27 KB
  • Mistakes of a young Railroad Telegraph Operator.pdf - 115.16 KB
  • Modern Antenna Handbook.pdf - 1.09 MB
  • Modular High-Performance 23 cm ATV Transceiver.pdf - 328.41 KB
  • More Cheap Yagis.pdf - 519.72 KB
  • More Microwave Test Equipment For 10 GHz.pdf - 267.01 KB

    N

  • N0GSG - Portable Radio Direction Finder.pdf - 410.22 KB
  • NOSintro.pdf - 22.08 MB
  • New High-Speed Multi-Media Radio Mesh Networking.pdf - 409.95 KB
  • New Jerseys South Counties Emergency Radio Network.pdf - 307.13 KB
  • Night-Vision Scopes.pdf - 1.04 MB
  • Nonlinear Analysis-Simulation and Measurement of RF Amplifiers.pdf - 1.06 MB
  • NorCal - BLT Tuner.pdf - 1,002.84 KB
  • NorCal - Doublet Antenna.pdf - 207.00 KB
  • NorCal - StLouis Tuner.pdf - 1.40 MB
  • NorCal 40A Transceiver - Manual.pdf - 16.57 MB

    O

  • On Amateur Radio Use of IEEE 802.11b.pdf - 313.32 KB
  • One-Chip AFSK Generator.pdf - 98.92 KB
  • Op Amp Applications Guide.pdf - 2.01 MB
  • Optocoupler Devices.pdf - 1.05 MB

    P

  • PIC-Gen Frequency Generator-Counter.pdf - 2.57 MB
  • PTT Control From Receiver Audio.pdf - 548.10 KB
  • Pager Handbook for the Radio Amateur.pdf - 843.30 KB
  • Phase Lock Loop Stability Analysis.pdf - 1.04 MB
  • Phase Locked Loops.pdf - 766.37 KB
  • Photosensitive Devices.pdf - 1.02 MB
  • Pocket-Size VHF SWR Meter.pdf - 205.13 KB
  • Poor Mans Spectrum Analyzer.pdf - 1.44 MB
  • Pour an Antenna for X-Band.pdf - 306.56 KB
  • Practical Antenna Design VHF.pdf - 2.23 MB
  • Primer on Digital Signal Interfaces.pdf - 301.34 KB

    Q

  • QRP History - The Five-Watt QRP Movement 1968-1981.pdf - 34.71 MB
  • Quadbeam 2 Element.pdf - 376.19 KB

    R

  • RC Filters.pdf - 622.22 KB
  • RE-EZ Shortwave Receiver.pdf - 814.04 KB
  • Radar Detector to Microwave Receiver Conversion.pdf - 486.98 KB
  • Radar Speed-Gun Controller.pdf - 750.59 KB
  • Radiation Monitor.pdf - 1.03 MB
  • Radio Astronomy And The Search For Extraterrestial Intelligence.pdf - 3.09 MB
  • Raspberry Pi - TNCPi Manual.pdf - 643.36 KB
  • Raspberry Pi Projects Book v.1.pdf - 35.69 MB
  • Review of ABCD Parameters .pdf - 66.57 KB
  • Rock Solid RF.pdf - 306.16 KB
  • Running Linux (4th Ed).pdf - 3.63 MB

    S

  • SHARKS and Tsunamis.pdf - 182.73 KB
  • SPI And The Printer Port.pdf - 1.62 MB
  • Scanner Converter.pdf - 2.07 MB
  • See-In-The-Dark Viewer.pdf - 598.69 KB
  • Sherlock in the XP Age.pdf - 3.77 MB
  • Shoot the Moon.pdf - 740.67 KB
  • Simple Simplex Repeater.pdf - 949.85 KB
  • Single-Chip Frequency Converter.pdf - 640.87 KB
  • Small Loop Antennas.pdf - 25.50 KB
  • Solid-State Devices For 1 GHz.pdf - 526.35 KB
  • Solving the Enigma - A History of the Cryptanalytic Bombe.pdf - 1.53 MB
  • Sound Card Packet.pdf - 594.57 KB
  • Spectrum Analyzer.pdf - 3.22 MB
  • Spectrum Monitor.pdf - 973.18 KB
  • Spread Spectrum And Digital Communications Techniques.pdf - 1.23 MB
  • Spread Spectrum Communications.pdf - 2.35 MB
  • Super Directional Microphone.pdf - 713.32 KB
  • Super J-Pole.pdf - 18.80 KB
  • Surviving the Unthinkable.pdf - 568.88 KB
  • Synthesized Pulse Generator.pdf - 679.82 KB

    T

  • TV Derived Frequency Standard.pdf - 898.30 KB
  • Telephone Line Tester.pdf - 330.12 KB
  • Testing Motrons Transmitter Fingerprinter.pdf - 840.54 KB
  • Texas Instruments TTL Databook - 1976.pdf - 33.77 MB
  • The Art and Skill of Radio-Telegraphy.pdf - 1.79 MB
  • The Basic X-24.pdf - 640.95 KB
  • The Digital Circle of Life.pdf - 1.31 MB
  • The Incredible Digiohm.pdf - 239.80 KB
  • The Laser Experimenters Handbook.pdf - 11.82 MB
  • The Magical Audio Filter.pdf - 268.32 KB
  • The Magnetron - A Low Noise Long Life Amplifier.pdf - 427.32 KB
  • The New Industrial Revolution - Packet Radio And Networking.pdf - 1.56 MB
  • The Radio Amateurs Microwave Communications Handbook.pdf - 16.65 MB
  • The Real Inventor Of Wireless.pdf - 373.46 KB
  • The Sociology of Regulations.pdf - 255.50 KB
  • Tone Decoder.pdf - 1.26 MB
  • Tracking Down Bugs Using A Spectrum Analyzer.pdf - 1.23 MB
  • Transmission Line Transformer Basics.pdf - 55.52 KB
  • Turbocharge Your Packet Station.pdf - 708.10 KB

    U

  • USMC Antenna Handbook.pdf - 4.65 MB
  • Ultra Wide Band.pdf - 501.84 KB
  • Understanding Ungrounded Oscilloscope Measurements.pdf - 309.11 KB
  • Universal Radio Programmer.pdf - 224.74 KB
  • Use It Or Lose It.pdf - 118.55 KB
  • Use of Pringles Containers To Enhance Network Security.pdf - 874.62 KB
  • Using Iambic Paddles.pdf - 74.87 KB
  • Using Radar Data to Predict Rain-Scatter Paths.pdf - 821.47 KB

    V

  • VHF Handbook IARU v542.pdf - 1.19 MB
  • VHF-UHF Primer - An Introduction To Propagation.pdf - 1.72 MB
  • Versatile 555.pdf - 1.04 MB
  • Vocoding-Creating Digital Voice.pdf - 449.18 KB
  • Voltage Converters.pdf - 854.96 KB
  • Voltage Cursor Adapter.pdf - 480.68 KB
  • Voltage Doubler.pdf - 506.42 KB

    W

  • W4RNL - Top Five Backyard Multi-Band Wire HF Antennas.pdf - 202.98 KB
  • Want a Good Microwave Antenna-Drink More Coffee.pdf - 274.02 KB
  • Web Pages on Packet Radio.pdf - 502.11 KB
  • Western Union and the Railroad Telegraphers.pdf - 3.14 MB
  • What is HSMM.pdf - 181.27 KB
  • What is Happening to the HSMM Working Group.pdf - 116.83 KB
  • Why I Like Linux and Other Tales.pdf - 597.96 KB
  • Wi-Fi for Hams.pdf - 2.65 MB
  • Wireless Digital Communications-Design and Theory.pdf - 11.20 MB
  • Wireless Digital Modulation.pdf - 105.61 KB
  • Wireless Local Area Network Design.pdf - 506.08 KB
  • Working With Flip-Flops.pdf - 667.65 KB
  • Working With LED Display Drivers.pdf - 1.17 MB
  • Working With Monostable Multivibrators.pdf - 737.20 KB
  • Working With Op-Amps.pdf - 450.60 KB
  • Worlds Fair Super Squelch.pdf - 109.45 KB
  • Wouxun KGUVD1 Service Manual.pdf - 3.86 MB

    Y

  • Yes All My Coax Cables Are 75 Ohms.pdf - 83.83 KB

    Z

  • Zen and the Art of Radiotelegraphy.pdf - 823.74 KB
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