base

Maria Maluca for 6 to 20 meters - A two elements beam antenna tunable from 6 to 20 meters, based on the Maria Maluca antenna project by DB9EX, in german

Homebrew Pac-15 Vertical - This page shows a homebrew vertical antenna based on the Pac-12 antenna design.

The FD4 Windom antenna - This antenna originated from darc QRV magazine in 1971 should be attributed to DJ2KT, works on 80 40 20 10 meters without ATU, based on the Windom principle.

Oscar Kilo Sweden DX Group Priority listing - Radio DX club based in sweden

YB9BWN Beacon - Homebrew crystal-based with IRF510 PA at 2W into a dipole

Club Log - Welcome to Club Log, a web-based tool for producing DXCC league tables, log search services and most-wanted lists for ham radio clubs and societies.

W4BOC Alford Memorial Radio Club - Based in Stone Mountain Georgia

WD8IEL Chelsea Amateur Radio Club - The Chelsea Amateur Radio Club is based on service to the community and the advancement of Amateur Radio in Southeast Michigan.

The Nittany Amateur Radio Club - The club is based in State College, Centre County, Pennsylvania, the geographic center of the Commonwealth, in the middle of the Allegheny Mountains.

Penninger Radio - Portable Base Systems, Mast Clamps, Aluminum Tubing

HexKit.com Hex Beam Base Plates - Fabricates baseplate components, and provides hardware kits for DIY hex beam antennas.

G WHIP - The 1960s mobile/base antenna returns, double G Whip for base use.

Ultrasonic Systems - Manufactures high performance spray coating equipment based on patented ultrasonic spray coating technology.

Signatec - Signatec manufactures pc based data acquisition waveform digitizers pci daq boards, digital signal processing pci dsp boards, waveform signal generator pci dac boards, and real time waveform recording products for the signal technology market.

DataQ - PC-based oscilloscopes, data acquisition and data logger products, spectrum analyzers and voltmeters

QTH locator or Map square with Google Maps - Based on Google Maps displays corresponding QTH grid square or helps to find one by pointing on the map.

FM Repeater Database - Via this interface you have access to one of the biggest databases on amateur radio voice repeaters.

Repeater and Broadcast Transmitter Database - Searchable database of amateur repeaters and broadcast transmitters. The database covers the fifty U.S. states, the District of Columbia, and the ten Canadian provinces.

5 Amp power supply for portable usage - A 13,8v/5Amp 78H05 based power supply for portable use. In this example used to power up a Yaesu FT-817

Display Electronics - Surplus electronics dealer, based in England

Cupeles Electronics LLC - Two way radio communication services for Kenwood Icom Yaesu radio and ameritron drake cliperton henry heathkit amp yaesu kenwood linear amplifiers based in Harrisburg, PA by WB3M

Voice Keyer - The Voice Keyer is a free Windows based voice keyer. It is very easy to use and it handles up to seven messages. By connecting your computer soundcard to your radio it's possible to just press a button and the computer will CQ for you, to spare your voice. It can also PTT your radio via the LPT port by SM3WMV

Building of CU 4m Beacon CU8DUB/b - Beacon is based on a old 4m Storno CQF632 from PA who OZ2M got in Weinheim

Ligthning: Protecting Towers - An interconnected concrete tower base can help the tower ground system.

Sound Card Interface by VK6YSF - Presented here is a transceiver to computer sound card interface complete with automated transmit key function. A sound card interface is simply the audio coupling of a computer soundcard and a transceiver to allow various computer applications that send and receive SSTV, RTTY, PSK31 and other similar modes based on soundcard generated signals.