yagi hf

Active Antenna HF VHF UHF  ^new - An active antenna AA-7 HF/VHF/UHF, 3-3000MHz by Fred Blechman

Crossed-Wire HF Antenna - This Crossed-Wire Electrically-Steerable HF Antenna, capable of transmitting signals over the entire 1.8 to 30MHz HF range, and capable of receiving signals at much lower frequencies is basically a crossed centre-fed wire system, consisting of four thin wires brought to a central mast by G3YNH

HF Digital DX News - Great source for digital dx news, with bullettins and newsletters.

Microwave Email list - Message list about 903 Mhz. and above bands. Use various VHF reflectors for the 432 and lower bands. Most traffic will be about 2304 and above.

HENRY Amplifiers  ^pop - Henry Radio amplifiers for HF & VHF UHF Amateur and-or Commercial-Industrial use

Trivalantene - Professional antennas in MF, VHF, UHF and SHF frequency range for military applications, civil-professional market, mobile communications, radioamateurs and antennas for special applications - EMC, radiomonitoring, etc.

Ruzber Antennas - Ham Radio Vertical HF multiband antennas manufacturers based in Spain

The Ventenna - Rugged, disguised 2m, 220MHz, 440MHz, and 2m/440 dual band antennas, HF portable antennas, portable dipoles.

Dunestar Systems - Manufacturer of single band and multiband transceiver bandpass filters for HF. High pass filters, two radoi headphones mix and switch, 6 meter portable antenna, antenna remote switching and steering.

Kantronics - Kantronics produce Modems, Tnc, Kam, Marine, wireless modems. Packet radio communication devices, HF E-mail, paging, GPS tracking, weather data gathering, or wireless data transmission.

Antenna Rotator System  ^{updated  pop} - The ARS will allow to control any antenna rotator (Azimuth & Elevation) from a computer. Even if you are only interested on HF arrays, the ARS will allow it. Supported from most programs as CT for DOS, tracking programs.

Alinco - Alinco amateur radio transceivers manufacturer. HF Radios, Mobile transceivers, VHF UHF handhelds, receivers, scanners, power supplies and accessories

Build a direction finder - Build a VHF radio direction finder by WB2HOL

HF-FAX - The home of Radio Facsimile wefax & SSTV.

Australian Space Forecast Centre - Current HF Radio Propagation and Space Weather Report

Introduction to HF propagation - An Introduction to High Frequency Radio Propagation by IPS Radio & Space Service

Radiodan - W7RF - BIRD RF power measuring, new and used, HENRY RF power amplifiers (used HF amps), TOHTSU coaxial relays, SAMLEX power supplies, RFI chokes reduce interference, Parts parts, tubes, Used amplifiers, radios, antennas and accessories, Los Angeles, CA.

SHF MICROWAVE PARTS Co. - Microwave parts for ham radio and experimenters.

Javiation - UK reseller for HF VHF UHF

MEI Software - The file MEI-10.ZIP contains educational software to evaluate antenna arrays of up to 8 elements. Two types of arrays may be studied: 2D planar arrays (Yagi-Uda, Circular, etc., up to 6 elements) and colinear arrays (up to 8 elements.)

Antenna Maker  ^{updated  pop} - Antenna design program for Quads, Yagis, Inverted Vees, J-poles, Trap Dipoles and more.

Yagi Sterss - A full featured, graphical, user friendly program that performs structural analysis on horizontally polarized yagi antennas constructed from round tubing. YS can work in Imperial or Metric Units, and is likely to tell you more about a yagi antenna than you ever thought you needed to know. YS has been used by commercial manufacturers and premier station builders for over a decade by Kurt Andress, NI6W

Quickyagi - This is the place for downloading the latest DOS version of Quickyagi the freeware yagi modeling program with auto-design & optimize.

DXbase - Professional Logging Software for Windows 95/98/NT. A separate version is available for DOS. Full featured logging, HF radio control, Internet Packet, VHF Packet, Label Designer, Report Designer, and a lot more.

SSTV FAX WX Software  ^pop - A very clomplete ham radio software collection for SSTV, FAX, and WX