cat system

Citizen Radio Network - An intiative to use unlicensed radio services as alternative communications system during extreme emergencies and disasters.

CTJ Contest Software - By 9H1EL, supports RSGB 21-28, BERU, IOTA contests, FOC marathon and IARU 50MHz trophy, Control of FT1000MP, all Kenwood and ICOM Radios which have CAT system.

Electronics & Communications Classifieds - Forum based classified ads system dedicated to electronics and radios

RF Applications, Inc. - Specialized in RF Power Measurement Systems and other devices that make operating radio transmitting stations safer and easier.

Times Microwave Systems - Manufacture LMR Flexible low loss coax cable, connectors, and cable assemblies for Wireless Communications applications.

RT Systems - Online shopping, Programming Software, Icom, Yeasu, Kenwood, Istron, HyGain, MFJ, cat cables interfaces and other radio control cables.

SCS PTC Priority listing - Special communications systems, the creators of pactor, TNC using DSP protocols

Andrew Corporation - Communications products, communication systems products, fiber optic cables, global messaging service, gyroscope and navigation systems

Link Communications - Repeater and linking control systems

ADIF Specifications - Amateur Data Interchange Format, provide a standard interchange independent of operating system or programming language for amateur data that will permit easy and direct transfer of data conforming to the standard between various amateur programs as well awards and contest sponsors.

SPRE Home Page - The Spartan Packet Radio Experiment (SPRE) is an Amateur Radio (Ham radio) communications experiment. The primary mission was to test satellite tracking using amateur packet radio and Global Positioning System (GPS). SPRE was developed and built by the University of Maryland Amateur Radio Association (UMARA) with assistance from NASA, volunteer engineers, and volunteer software professionals.

Morcom International, Inc. - Worldwide distributor of radio communications, wireless equipment, accesories and complete systems.

Andrews Communications Systems - Australian dealer, HF linear amplifiers, power supplies, baluns, HF UHF yagis and verticals including multiband HF verticals.

GcmWin : Great Circle Map  ^pop - GCM is a freeware great circle map plotting software for windows, you can choose colours, scale, meridians, fields and or squares from the maidenhead locator system.

Elmer - Macintosh shareware, contains the full pool of questions for each of the five exams, and creates sample tests that will vary each time you take them and it will grade your exam.

HAM-LCT - Freeware logbook program with many features, includes CAT system and database for yaesu Icom and kenwood rtx by hb9cqv

MacProp - Propagation forecasting software for the Macintosh

MacIcomControl - Radio control software for the Macintosh

Mac GrayLiner - Displays map of the world, showing day and night areas.

Promethius - Logbook software for the Macintosh by Chris Smolinski

Morse Mania - A morse code tutor for the Macintosh.

Macintosh SSTV Shareware - SSTV software is now available for the Macintosh computers, for the first time.

Audiocoreder - Audiocorder is a VOX program which allows your Macintosh to act as an audio recorder

MultiMode - Digital modes decoding software for the macintosh. Decodes CW, RTTY, WEFAX, SATFAX, ACARS, DTMF, SSTV

Duplex 144 432 - A full duplex antenna system for 144 432 Mhz