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Categories
- Antennas > 40M > 40 meter Magnetic Loop Antennas
- DX Resources > Nets > Emergency Nets
- Internet and Radio
- Operating Modes > Internet Linking
- Shopping and Services > Internet services
- Manufacturers > Antennas > HF > Magnetic Loop
- Internet and Radio > Social Networks
- Technical Reference > Vector Network Analyzer
- Software > Vector Network Analyzer
- Software > Internet Linking
- Antennas > Magnetic Loop
- DX Resources > Nets
- Operating Aids > Phonetics and codes
- DX Resources > Beacons > 10 GHz Beacons
- Operating Modes > Internet Linking > AllStarLink
- Operating Modes > Internet Linking > EchoLink
- Operating Modes > Internet Linking > IRLP
- Antennas > WiFi
- Technical Reference > WiFi
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Freeware program, special and easy to use packet program for communicating with ISS, PCSat and other 'compatible' sats. Can also be used for basic normal packet. -
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Gi7b is tube designed for microwaves but working good as HF amplifier. Idea is to build cheap, reliable HF amplifier covering 160 meters band. -
A very simple QRP wattmeter project by SP5DDJ based on schematic of SWR meter developed and published by JA6HIC -
BesserNet Reflectometer is a fun SWR calculator and simulator Java applet -
The function of the calculator is to give all of the needed sizing to construct a good 5 element quad antenna for amateur radio use. -
On 23cm the best way to obtain a good RX-sensitivity is to use a GaAs-FET in the front-end, since these devices show very low noise figures. -
A 3500kHz - 3579kHz range transceiver, output 250 mw by SP5DDJ -
Two element X-Beam is a high-performance broad-band antenna that is ideal for Ham radio operators with limited space. X-Beams are inexpensive and easy to build. The performance of the simple X-beam is amazingly similar to larger, more conventional antennas by 4S7NR -
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All about amateur radio, police scanner frequencies. Frequency Listings for Kentucky, West Virginia, Virginia and others. Add your URL to the Scanner Link Page. -
Circuit and software to build a beacon keyer, includes downloadable packages. -
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PA2OHH portable regenerative receiver -
G3YCC article pn the W3EDP end-fed antenna for 80 to 20 meters bands -
A list of frequencies for ham radio operators QRP operation and with a special reference for those using the Fireball 40 a multi-band QRP TX kit -
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Interesting review about active magnetic loop antenna Wellbrook ALA 1530 and 330S by ON4SKY -
This antenna is very useful for receiving or scanning purposes, but you can use it for transmitting, too. It is 2,94m long and has a pi-configuration (Collins-Filter) for the matching. -
Signal Generator (VFO) with Direct Digital Synthesis by Bruce AA0ED and Craig AA0ZZ -
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A standard 6 elements design scaled for UHF application. All material used in this project are easily obtainable tubes and rods which is limited within a total budget of $18. -
These yagis and groups were designed with YO7.23 from K6STI and checked with EZNEC from W7EL. With a gain of 14/17/20dBd they have a good relation between gain and mechanical problems. -
ICOM IC-V8000 modifications, manuals and schematics -
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If you find external wire antennas obtrusive for amateur radio or short wave listening, then this is the antenna for you, is just 1 meter diameter -
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Includes link to VX-150 manual in pdf format -
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N5IW ideas to build your own antenna in a restricted lot, or a stealth antenna. Includes PPT files of HF and VHF stealth antennas. -
How to build a high gain vertical antenna for the UHF amateur or CB Bands, by radio experimenters handbook -
What is hallicrafters? Let these photos illustrate the soul of hallicrafters. by LA5KI -
2 Element Cubical Quad Antenna for 28 MHz by DL7JV in german -
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A coaxial cable tuneable magnetic loop antenna for 7MHz. This experimental antenna does not require a tuning capacitor -
Several projects which will allow you to build your own RF design test equipment. -
One of the best antenna values on the market is the LightningBolt Quad. At about half the cost of a tri-band yagi, you get five band coverage with a single coax feedline and excellent performance from a light, low wind load antenna. -
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Arrow-Style VHF/UHF portable satellite antenna by VE2ZAZ -
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80m hexfet power amplifier by W7ZOI