cat interface

N. American Data Communications Museum - Telephony technology from telegraph to digital transmission

Island award resource and iota checkpoint activity - Includes IOTA award application and IOTAMEM computer disk installation and application instructions

ITU Radio Communication sector - Meetings Schedule, study groups, circulars from the radio communication division at ITU

Web-controlled Shortwave Radio  ^pop - Drake R8 Communications Receiver Reston Virginia, USA

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

INRAD International Radio - Supplier of custom designed, high performance quartz crystal filters for communications receivers and transceivers, for Yaesu Icom Kenwood and Collins radios

Almost all digital electronics - This site is dedicated to electronics hobbyists, engineers, and Radio Amateurs interested in circuit design, homebrew and kit projects.

SDR-Kits.net - USB-Controlled Synthesizer for Softrock RXTX and Local Oscillator Applications

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

Ranger - Manufacturer of the world's most dependable radio communication products

Cobra Electronins - Cobra Electronics is known the world over as a manufacturer of superior quality communications and electronic equipment

Radio & Communications  ^pop - Info about many aspects of Radio & Communications. Antennas, signals, frequencies, codes, swr, scanning etc.

Amateur Television Quarterly - Publication for the video aspects of ham radio

Meteor scatter basics - Working DX on a Dead 50MHz Band using Meteor Scatter, by Palle Preben-Hansen, OZ1RH

Meteors Q&A - very informative, answers questions like what is forward scatter, how does a meteor reflect radio waves ?

ATV in Central Ohio - The ATCO Group Inc, originally organized in 1980, is located in the Columbus, Ohio area and serves approximately 50 ATV'ers within a 50 mile radius.

ITU publications - The general Catalogue of Publications contains all current publications,except the Standards currently in force, which can be found in the separate List of ITU-T Recommendations and List of ITU-R Recommendations.

Amateur Electronic Supply  ^pop - Web site in Milwaukee. Other locations in Wicklife, OH - Orlando, FL - Las Vegas, NV. Carries a full line of amateur radio equipment, antennas, batteries, mics, etc.

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

HAM Radio Java/JavaScript - Amateur Radio Webmaster source for Java and Javascript radio related application

DXtreme software - DXtreme Software produces powerful and easy-to-use logging applications for radio enthusiasts such as Amateur Radio operators, Shortwave DXers, Shortwave listeners, Broadcast band DXers, VLF DXers, VHF, UHF, and TV DXers

HamComm 3.1  ^pop - DOS Freeware popular program for ham radio communications, supports reception and transmission of radio teletype RTTY, AMTOR ARQ/FEC, SITOR A/B, NAVTEX and Morse code (CW) signals. A decoder for SHIP and SYNOP reports from weather stations is also included. This program is discontinued and unsupported. Originally developped by Schroeder DL5YEC

Bearcat 210 Scanner Conversion for Weather Satellite - Modification to the Bearcat 210 scanner for reception of 137 Mhz FM is a fairly simple process.