hen antenna 4 mtr

Hybrid Antennas - Antennas that use a combination of vertical and horizontal polarisation.

The Gain of the Axial-Mode Helix Antenna - by Dr. D.T. Emerson, National Radio Astronomy Observatory (NRAO++). Antenna Compendium Volume 4, pp 64-68, 1995, published by the ARRL.

Short Vertical Antennas and Ground Systems  ^pop - This article describes how an effective ground system can be produced for a short vertical antenna.

Omega Group - Official web site

Surfing my World - Something aboutme where I come from with interested links and about the Charlie Sierra DX-group.

Home page 14MU 174 Max - home page 14MU 174 Max

Longwave Non-Directional Beacons - Beacons operating in the longwave radio spectrum, generally between 200 and 450 kHz

NFDXA - NFDXA is a small group of amateurs located in and around the Jacksonville area in Northeast Florida

San Marino - ARRSM - Associazione Radioamatori Repubblica di San Marino

GeoTool - Pickup truck stake pocket antenna mount by geotool

FR Radio Lab - Magnetic Loop antennas, also availble in parts from japan

Sirtel - Sirtel produces a wide range of radio and telecommunications antennas

Giovannini Elettromeccanica - Quad, Yagi for low bands. Specialist in antennas, supports and moving of medium-large sized radio antennas, professional rotators, masts, towers, and accessories.

C3I Antennas - The finest in VHF/UHF antennas for Amateur and Commercial Applications. Antennas and Repeater Controller Accessories includes Rutland Arrays.

Linux DStar Development - The life and times of development of a Linux D-Star repeater and dplus node.

3905 Century Club RTTY Net - The RTTY Net is one of several Nets run by the 3905 Century Club. There are SSB Nets on 160, 75, and 40 Meters and CW Nets on 80 and 40 Meters

The Adcock HF RDF Antenna - The Adcock antenna has been used for a long time for RDF. It is basically an interferometer.

Heathkit SB-220 and SB-221 essential mod - Modifications to avoid damage when 3-500Z tubes fail.

Electronic Service Pros  ^pop - HAM/Broadcast, Modifications & Repair, D-104 mods, TS-830 TS-530 mods

Universal Radio  ^pop - Online Catalog. All about Radio comms, HF VHF Scanner CB radios, antennas and accessories

Antenna Systems & Supplies - Antennas, cables, Grounding Equipment, shelters and towers.

Weather Satellite FAQ - A comprehensive guide to receive Weather Satellites signals in wefax mode

Antenna Visualization - UNIX Application developped at the University of Texas Department of the Computer Sciences, permit to display the radiation pattern and the current magnitude.

The AA4M ~ QQSL Web Page - Home of the ultimate Ham Radio QSL Label Program! Quick QSL for DOS, featuring great color, dot matrix, laser, and inkjet printer support, a user-friendly interface,

SOFT990 - SOFT990 is a freeware designed for the transceiver YAESU FT-990. Running also with FT-840 FT-890 FT-900 FT-920 FT1000MP FT-1000D