heil pro set headset box

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

Projects and Info Center - Antenna projects and info center by KP4AO, including The Optimized Wideband Antenna (OWA) Yagi and Skyhawk, a state-of-the-art trapless tribander

Boxboro - Boxborough, MA USA

Amateur Radio RF Safety Calculator - This is a main beam power density estimation program intended for use as part of a routine evaluation of RF safety compliance with FCC regulations.

The BullDog Iambic Key - Inexpensive light weight key for beginners and pros alike by K9LU

Comet Antennas  ^pop - Distributor for COMET and MALDOL brand antenna products designed, manufactured in Japan. Distributor of DAIWA brand RF SWR/power meters and switching power supplies.

Ant Panel Products - Planar UHF and Microwave Antennas for Hams and WLAN's

GAP Antennas - GAP produces HF vertical antennas

A/D Technologies - A/D Technologies is a manufacturer and service company dedicated to providing unique and valuable products and services to ourcustomers.

Timeware tech. - Amateur Radio Products, Noise Reduction Filters, Data Controllers, deviation meter, Software, DSP-RTTY

Heros Technology Ltd - HF Radio Preselectors,BCB filters,Low Pass filters,Band Pass filter

AEA - AEA Technology Inc. is a pioneer and leading manufacturer of RF and cable test equipment for the wireless, Telco, CATV, NMR & MRI, RFID, telemetry, aviation, commercial, military, and two-way radio industries. Produces SWR Meters, Pre Amplifiers, filters, power meters and antenna testing products

DX Packet Cluster WebNet - Your DX Cluster Connection, infos, technical procedures, files and software

Satellite Tutorial - A good starting point to setup an Amateur Radio Satellite receiving system.

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

DOS programs by g4fgq - Small collection of DOS antenna design and RF calculations programs

HF Beacon tracker - This Windows program will identify the 18 worldwide NCDXF/IARU International Beacon Stations and display each, as they become active n just 3 minutes, you will know if a band is really open

ProsKan KA1LPA - Dual screen, supports AVT modes,16 Milions col, auto call insert facilities.

RXClus - RXCLUS is a free amateur radio software especially designed for the DX'ers and SWL's wanting to receive the informations transmitted by packet radio on the DX-cluster system. It supports also telnet protocol.

Super Morse  ^{updated  pop} - "Super Morse is the original comprehensive Morse Code training program for the PC. Super Morse permits the user to learn the Morse characters in a very orderly way using several different methods, including one unique to Super Morse; build speed with special exercises; by WD5CID"

EZSSTV - Freeware SSTV program by WB2OSZ, Automatic Calibration, Automatic Fine Tuning, Widest Variety of File Types

MScan Meteo - The revolutionary program, combining the ability to decode FAX, NAVTEX and RTTY signals, make VOICE recordings and view GRIB files in a single program!

YC156 Conversion - RF Amplifier project modified the original chassis to use a 4CX1000A instead of a YC156 triode

Batteries - some thoughts - What sort of batteries when operating mobile, choosing proper battery technology

SWR Mega - SWR Power Meter - SWR and RF power meter for home usage, 8 different RF probes with different characteristics and power ranges by OK1DX