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AT AUTO

224 links - and 3 categories

Antennas : Antenna Books
  • Advanced Antenna Modeling Book by ON5AU - A new book about modeling antennas with EZNEC and in particular in conjunction with the AutoEZ application for a total of 584 pages. The book include more than 3000 accompanied downloadable EZNEC model files
    [ Hits: 447 | Votes: 9 | Rating: 6.23 ]
Antennas : End-Fed : End Fed Half Wave Antenna
  • EFHW autotransformer comparison - Two different ways to create autotransformer for end fed half wave wire antennas, by using ferrite or air core.
    [ Hits: 521 | Votes: 3 | Rating: 2 ]
  • End Fed Antenna with a 1:64 Matching Network - In this experiment the autor is going to explore the use of a 1:64 matching network on the End Fed Long Wire Antenna. Experiment will consist in build a 80-40-20-15-10 meter End Fed Long Wire Antenna with a 1:64 matching network from the documentation available on the internet
    [ Hits: 863 | Votes: 15 | Rating: 6.73 ]
Antennas : Portable
  • An automatically tuned 7 to 30 MHz mobile antenna - For every radio amateur who loves to travel by car, a mobile installation soon becomes a necessity. While in inhabited areas there is usually some coverage of VHF repeaters, in many other places VHF radios are useless. In these very places, HF can provide reliable contacts, and a lot of fun, from anywhere.
    [ Hits: 258 | Votes: 1 | Rating: 10 ]
Antennas : Tuners
  • An Automatic Antenna Tuner - An homemade antenna tuner project that should be small, easy to build and cheap. This automatic antenna tuner can work as locale or as remote. The tuner has EEPROM memory for store settings for faster tunning and four interfaces
    [ Hits: 492 | Votes: 3 | Rating: 9 ]
  • Semi-automatic antenna tuner project - Thsi article describes a microcontroller driven semi-automatic antenna tuner capable of handling power levels up to 150 watts. The device is a low pass filter tuner manually tuned by setting the optimized L/C combination by hand and then storing the values into the EEPROM of the mictrocontroller to recall them later (seperately for each band from 80 to 10 meters including WARC bands)
    [ Hits: 291 | Votes: 0 | Rating: 0 ]
  • ICOM Tuner Connector - Many Icom radios e.g.7100 have a connector for automatic tuners such as the Icom AH4. The cable supplied by Icom is of a fixed length 10m and is not shielded. Icom recommends to use shielded cable for any length greater than 10m.
    [ Hits: 232 | Votes: 1 | Rating: 10 ]
DX Resources : Contest : Contest Results
  • Score Distributor - Ham Radio Contest Score Forwarder - Distributing contest scores in real time to online scoreboards. he score distributor automatically forwards any score data it receives from contest logging software to the following online scoreboards: Contest Online ScoreBoard (COSB by VA2WA,K2BB,K5ZD) Live Contest Score Server (by R4WW)
    [ Hits: 120 | Votes: 0 | Rating: 0 ]
Manufacturers : Antenna Tuners
  • HA8DU Antenna Tuners - HA8DU European manufacturer of quality amateur radio antenna tuners for HF Bands, from 10 meter to 160 meters band. Products includes manual and automatic antenna tuners, power handling till 3.5 KW. HA8DU produce even custom made variable capacitors and rotary switches.
    [ Hits: 396 | Votes: 4 | Rating: 7.5 ]
Manufacturers : Publications
  • Compendium of Automatic Morse Code - Book on CW paddles, history of keyers, keyboards, oscillators, and all things related to automatic Morse code.
    [ Hits: 171 | Votes: 0 | Rating: 0 ]
Shortwave Radio : Numbers stations
  • How to Listen to Real Spy Broadcasts - Encrypted messages, fancy technology, spies use them all to communicate, but sometimes the best way to hide is in plain sight. Right now, broadcasting across the airwaves around the world, are automated, anonymous shortwave AM radio stations that most governments won't acknowledge even exist, much less explain
    [ Hits: 243 | Votes: 1 | Rating: 1 ]
Software : Circuit Design
  • Coil Inductance and Q Calculator - Calculates inductance and Q for single-layer coils made of solid or Litz wire. Uses U.S. or metric dimensions. Can automatically maximize Q. Includes accuracy data. Runs in Windows.
    [ Hits: 255 | Votes: 0 | Rating: 0 ]
Software : Contesting
  • BKLog - log book and contest program - BKLog is a free windows amateur log book program. Developed in VB.NET, BKLog support several integrations, and provides many features. It can be used as contest log program, allow automatic sending of CW, full transceiver control, DX Cluster access, upload to most popular online Log QSL and QRZ services, like qrz,lotw,clublog,hrdlog.
    [ Hits: 481 | Votes: 4 | Rating: 6.25 ]
Software : Macintosh
  • Morse Machine for MacOSX - This free program teaches you to receive Morse code. It starts with a few letters and adds more when it sees that you are ready. Based on A Fully Automatic Morse Code Teaching Machine, it is a small application and it runs even on recent MacOSX versions.
    [ Hits: 249 | Votes: 0 | Rating: 0 ]
Software : Radio Control
  • CatBKT Universal CAT Control - Program for the control of the transceiver from your PC. Works on windows and has been tested with different serial and USB interfaces, Based on hamlib libraries , Auto CQ for repetitive calls, Audio Recorder, BktNetInterface for JTDX and WSJT-X
    [ Hits: 401 | Votes: 1 | Rating: 3 ]
Software : Weak Signal
  • JTAlert - JTAlert provides several audio and Visual alerts for WSJT-X & JTDX software. JTAlert generate audio and visual alerts for several alert conditions, logs automatically to several ham radio log books software like hrd dxkeeper,log4om, interoperates with web services and it supports dxlab suite.
    [ Hits: 226 | Votes: 1 | Rating: 1 ]
Technical Reference : Antenna Rotator
  • Mini Satellite-Antenna Rotator Mk1 - This project is a portable device used to automatically point a directional antenna towards an orbiting satellite. It takes all the effort out of little kids holding the antenna and figuring out where to point it. It allows students to talk through Amateur Radio satellites or download weather satellite images.
    [ Hits: 549 | Votes: 0 | Rating: 0 ]
Technical Reference : Arduino
  • Arduino Antenna Tuner - Arduino-based Automatic Amateur Radio Antenna Tuner
    [ Hits: 298 | Votes: 3 | Rating: 9 ]
Technical Reference : Raspberry Pi
  • Raspberry Pi and Automatic NOAA Satellite Reception - How to receive automatically NOAA wather satellite images with a Raspberry Pi and a RTL SDR. This project requires a Raspberry Pi 3 Model B a common NooElec SDR Dongle and a QFH Antenna in the attic. Article explains how to setup and configure software but no instructions on antenna.
    [ Hits: 518 | Votes: 4 | Rating: 4.75 ]
  • Setup Packetradio on a Raspberry - A quik guide to install direwolf, bpq and jnos on a Raspberry Pi. if you follow the instructions in the examples you should get it to work. You only need to adjust the configuration files direwolf.conf, bpq32.cfg, autoexec.nos
    [ Hits: 116 | Votes: 1 | Rating: 10 ]

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