dc converter

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

Sugar Delta Venezuela - La casa de SUGAR DELTA en Venezuela

QSL collection - World's largest collection of amateur radio and broadcast stations' QSL cards and awards

OE1002419 Kurt Brandstetter - Page with pictures of my boatanchors and QSL's from Ham Radio, Broadcast and Utility stations. Over 330 DXCC countries. QSL Info Page with a lot of search engines for QSL Info servers. Broadcast and Utility QSL's.

RSGB HF Data Band Plans - The following frequencies are assigned to datacommunications in the HF bands within the UK By RSGB data communications committee information.

Real-Time Internet Radio - All about live Internet Radio Broadcasting, including links to stations throughout the world and articles on the technologies that make Internet Radio possible.

RM Italy  ^{updated  pop} - RM is an Italian company operating in the radio communication field since 1974, main products are: HF-CB-VHF-UHF-Dual Band Amplifier, Power Supply, DC-DC Converters Antennas and more

Array Solutions - WX0B - Stacking and phasing HF and 6m arrays antenna switches and contesting devices. Custom low band antenna arrays, bandpass filters,commercial/Mil STd filters,microwave components, commercial broadcast filters.

Adaptive Broadband Corporation - Point-to-point fixed and mobile microwave radios for television and other broadcast requirements

HD Communications - Rf Connectors,RF Amplifiers,RF Filters,HF cable and accesories. Tower hardware valves and tubes

KBT DC Supplies - Linear Regulated DC Power Supplies

CIA World Factbook - Country maps and flags and detailed informations about almost all countries of the world

The World Clock - Real time world clock

The Adcock HF RDF Antenna - The Adcock antenna has been used for a long time for RDF. It is basically an interferometer.

AMSAT Colorado - The Colorado AMSAT Net Page

Ionosphere Web Site - Ionospheric Data Archived at NGDC

VHF UHF Microwave Radio Propagation - Notes on radio propagation in that part of the spectrum (upper VHF to microwave) used by experimenters for high-speed digital transmission

How to use geophysical alert broadcasts - User's Guide is primarily based on information made available by the United States National Oceanic and Atmospheric Administration's Space Environment Services Center in Boulder, Colorado.

Monitoring Times - Monitoring Times, SWL, BCL, montly reports, Broadcast band, satellite television, long-wave coverage, Reviews of new products and radio-related software.

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

Low Power Broadcasting - Low power broadcasting frequently asked questions by Rick Harrison

Monitoring the Crisis in the Balkans - By the Monitoring Times Staff, NATO HF Frequencies, NATO Common VHF/UHF Frequencies and English Language Shortwave Broadcasts from the Balkans

Cumbre DX - Free internet only Shortwave Broadcast DX newsletter.

RDCP/Mac - RDCP/Mac is a communications software package to interface your Macintosh to models of Kantronics TNCs. RDCP/Mac uses the Kantronics HOST mode allowing simultaneous connections on VHF packet and the HF digital modes when using the KAM.

WXSat - WXSat for Windows 3.1/95/NT, decodes the signals in the APT format from NOAA, Meteor, Okean, Resurs, Meteosat and GOES Satellites (AM) with a Soundcard. WXSat can decode also FM-Fax for decoding facsimile-signals transmitting via shortwave