430 mhz antenna

50MHz-Yagis by DK7ZB - 50MHz-Yagis with a new match, all lengths from 0.6-12m

80 meters wire antenna  ^pop - A reduced-size 80-meter antenna designed for small lots, portable use, and a fine companion for QRP

80m 4 element delta loop antenna - A four element delta loop antenna for the 80 meter band providing a forward gain of 6 dBi by F5VKM

K8CU Log Periodic Antenna - Plans, photos, electrical and mechanical design for this HF Log periodic antenna.

Small Loop Antennas  ^pop - Experience and practical use of magnetic loop antennas, by N0HC

How antenna traps work - An interesting article about homebrewing antenna traps for multiband antennas by VE3GK

Double 5 / 8 Flower Pot Antenna - The Double 5/8 is a natural extension of the Single 5/8 and uses a 5/8λ element for both the top and bottom radiators.

6m vertical antenna - G3JVL Six meters ground plane vertical is a compact antenna that is ideal for portable operations on 50 Mhz

A 10-element Yagi Antenna for Six - Long yagi antenna for 50 Mhz band

X-Bones Antennas Priority listing - 10 and 11 meter mobile DX and keydown antennas, radio and amp mods, pics, links, and much more.

Radio Meteors-NASA Alabama - Icom PCR 1000 at NASA Marshall Space Flight Center monitoring meteor signals on 67.3 mhz.live.

Bankstown Airport-Sydney, Australia  ^updated - Audio from Bankstown Airport monitored on 132.8 mhz. and 123.6 mhz.

HEX-BEAM - Traffie Technology - Hex-Beam antennas manufacturer, a new approach to beam design, using hexagonal array style, by Traffie Technology

Kaeferlein AMA magnetic loop antennas - Since 1983 the AMA antennas is specialized in magnetic loop antennas, AMA antennas. Based in Germany

Eco Antenne  ^updated - Italian antenna manufacturer. Verticals, yagis, delta loops, mobile and wire antennas from HF up to VHF and UHF bands including ham radio CB and commercial product lines

PKW Antennas - PKW Antennas for ham radio bands, Quads, delta loops, log periodics antennas for military and professional use by Ditta Martelli fabbrica italiana antenne

J-ames Pole Antennas - Manufacturer of all types of copper J antennas,uhf,vhf, 6 meter,10 meter, portable roll ups, combinations etc.

Pixel Technologies - Antennas and Accessories for Satellite Radio and AM FM HD Short Wave Radio, satellite antenna, shortwave magnetic loops.

Ham Services - Amateur radio installation services and products for sale. Tower erection services, shack setup, antenna installation

Antenna Warehouse - Certified quality wire products, Francis antennas Select-A-Tenna, Solarcon 10/11 meter base antennas Wilson antennas

Mac Antenna Master - Dipole, Yagi, Vertical, Cubic quad, Log periodic, J-pole, coil, and transmission line design package for the Macintosh

1.5 to 30 Mhz RF Amplifier  ^pop - This high range amplifier is very small [SB200 size] Vacuum variable input and output caps as well input and output switching.

50 MHz GS35B 1500 Watt Amplifier - 50 MHz 1500 Watt Russian GS35B amplifier. Well documented. Complete construction details,pictures,schematics, and more.

K8CU Technical Topics - Well documented Amateur Radio HF/VHF antenna projects, high power Russian GS35B RF amplifiers, mobile RFI solutions, related accessories, vintage radios, Six meter equipment, and useful techniques by K8CU are inside.

BC210 Conversion for Noaa Satellites - Allow 137 Mhz range by Steve Warley