cat system

Old Radios - Dedicated to the collection and preservation of old radios, both tube and transistor.

International Communication Friends - Official website of the ICF group

OH2GI Ham System - All-mode contesting and logging software system designed primarily for on-line operation of HF digital and CW radio stations through Terminal Node Controllers (TNC)

County Hunter Dot Com - Site dedicated to Amateur Radio Operators interested in working the 3076 US Counties for the USACA Award sponsored by CQ Magaine

The National Traffic System - ARRL National Traffic System for routing formal written message traffic

Amateur Radio Emergency Communications-KC7NYR - Amateur Radio Emergency Communications, Public & Community Service, Missing Children

MARS - The Metropolitan Amateur Repeater System

W9PVR Pine Valley Repeater ARC - Pine Valley Repeater Amateur Radio Club Richland County ARES/RACES Serving Richland County with Sky warn Storm spotters and communications were needed. Working with Emergency Management and other emergency services.

The K4ADL Kartoon Korner - Ham radio related catoons

California Amplifier - manufacturer of solutions for worldwide wireless broadband communications

Shakespeare CB antennas - Shakespeare Composites & Electronics Division manufactures a complete line of unmatched CB, CB marine, and military antennas for a veriety of applications.

Banten Antennas - Land communications and marine antennas

Advanced Communication Sys - Repeaters, transmitters and receivers manufacturer for ham radio and commercial applications

Link Communications - Repeater and linking control systems

Heights Tower Systems  ^pop - Telescopic towers, platforms and accessories

Ritron - Vhf Ufh transceivers, repeaters, Telemetry Scada Systems and accessories

World Time Zone Map - Time zone map by U.S. Naval Observatory Astronomical Applications Department

Olivia Modes - Olivia is a family of MFSK modes with a high redundancy Forward Error Correction system similar to MT63. General description and protocol information by w1hkj

Pactor news - A Ham Radio Newsletter dedicated to HF communications and the PACTOR user

Radio Magazine - Hellenic technical publication

National Weather Service - Some little known facts about the NOAA Weather Radio system

Barrys Clip Art - Collection of radio clip art images

Linux and Ham Radio - A brief summary on linux dedicated to ham radio

AREPS propagation programs - Collection of various propagation software by Space and Naval Warfare Systems Center, San Diego, Atmospheric Propagation Branch

EMI Calculator - Does your Amateur Radio system comply to the EMI rules ? (German values implemented)