open wire feed line

Balun for HF wire antennas  ^pop - Schema of a self made balun used to match randmon wire antennas, mainly for shortwave listening pourposes, in italian

Wire delta-loop antenna - Description of a delta loop antenna for HF bands in french

Ladder line J-Pole - Building a VHF or UHF Ladder Line J-Pole Antenna

M1IOS - Wonder Whip antenna and tuner Priority listing - M1IOS Wonder Whip antenna - The M1IOS Wonder Whip A 10 dollars QRP Portable Multiband Antenna for HF, VHF and UHF A variation on the Miracle Whip and Wander Wand. This antenna tuning unit will get your SWR really low on telescopic whips, mobile 3/8th antenna and long wires. A remarkable little tuner that really works!

T-Match Construction - The T-Match with its balanced feed point is one method of feeding a Balanced Dipole.

Field-Deployable Antennas - Resonant dipoles, the W3EDP and end-fed wires, the extended double zepp, non-resonant doublets, and the "Zip-Cord Special" , the W6MMA vertical.

Building a 2.4GHz 10 Element Brass Yagi  ^{updated  pop} - Build this home made yagi antenna for your 2.4ghz wireless ethernet.

How to Put up a Portable Antenna - Putting up wire antennas is always a fun proposition. Sometimes it is fun for the participants and often fun for on-lookers. There are at least as many methods as there are folks putting up antennas.

Russian Callsign database - Russians Ham on-line lookup database. Search and create new callsign records. The most full russian and CIS callsign database (more 50,000 CIS records). More than 1,400,000 international calls.

Energy line 2000 - Solar power, biodiesel fuels, wind energy, streaming video, articles, news, and more. Renewable Energy and Emergency Communications by Terry McGleish

W5HLH - The Future of radio - Exploring the future of radio, wireless, broadcasting, ham radio, and DX/shortwave listening. Edited by Harry Helms, W5HLH.

Richardson wireless klub - The richardson wireless klub is an arrl special service club of amateur radio operators based in richardson, tx, usa.

MAXRAD Antennas - manufacture networking antennas and accessories for 802.11a, 802.11b and 802.11g WiFi (Wi-Fi) and WiMAX applications, including wireless bridging, wireless LANs, RFID and wireless hots spots

Austin Antenna - Austin Antenna employs leading-edge antenna technology in the production of the highest performance antennas currently available. Marine Antenna, Multi-band Mobile, Point-to-Point, Base Station, Wide-band Land Based, LPDA, Linear Omni, Triplexer, Scanner Antennas

IK-Telecom - The official web-site of the firm IK-Telecom, Finland, manufacturer of base station antenna-feeder systems

MicroSignals - MicroSignals produces a line of RF and IF signal processing components that offer high performance at an exceptional value. To achieve this MicroSignals began with an engineering team that possessed an excellent background in RF Transformer and Balun design.

Begali - Officina Meccanica Begali has been manufacturing electro-mechanical precision components since 1960, and our line of fine keys and paddles for the ham community are a more recent addition.

G-tor - G-TOR is a trademark of Kantronics, Inc. G-TOR (Golay-Teleprinting Over Radio) can be viewed, in part, as a variant of the Automatic Link Establishment (ALE) protocol, outlined in MIL-STD-188-141A.

Icom IC-746 Pro Arrl tests - ARRL Laboratory Expanded Test-Result Report ICOM IC-746 Pro

ARRL: Kenwodd TS-2000 test results - ARRL Laboratory Expanded Test-Result Report Kenwood TS-2000 prepared by American Radio Relay League, Inc. Technical Department Laboratory in pdf format

FT-1000MP with the HEIL Goldline - Optimization notes provided by Andy, KK7AC

Yaesu VL-1000 amplifier - The Yaesu VL-1000 Quadra HF Linear amplifier

Bit line meteo - Data loggers, meteo devices

Dream - Opensource software implementation of a DRM Receiver. Digital Radio Mondiale (DRM) is a new digital radio standard for the long-, medium- and short-wave ranges

Grounding and RFI - Described system was designed to provide a high level of lightning protection - there are three levels of defense to guard against let-through. It isn't perfect, but does, however, follow good guidelines and shows measured improvements in RFI reduction.