antenna 27 mhz

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

EH antennas for 50 Mhz  ^pop - EH antenna for six meters band by IW0BZD

Antennas by IZ7DJR - Includes EH antennas, 7Mhz vertical monopoles, 5 elements vee log-yagi for 10m and more

HF Antennas for small places - Isotron antennas and EH antennas, solutions for small places by F5IXU in french

EH antenna fo 160 mt by Iz7ath  ^pop - EH antenna for 160 mt: my experiment and comparison with a short vertical. with full details on construction procedure and testing.

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

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

SteppIR Antennas - 20 meters through 6 meters, antennas

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

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.

Frequency List  ^pop Priority listing - A comprehensive list of what is on the frequencies between .5 MHz and 5,000 MHz

Metropolitan Amateur Repeater System - The Metropolitan Amateur Repeater System's KJ6TQ repeater serves Los Angeles Area ham radio operators on 447.820 MHz

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.

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