data transmission

DIY Basic Electronics and Antennas - DIY Basic Electronic Theory, Basic Antenna Theory with Antennas built from common materials. What does SWR really mean. Baluns from transmission line.

Integrated Publishing Basics - Radio wave propagation, Principles of transmission lines, Antennas

Radio Catalogue and Radiomuseum - More than 80.000 datas of antique radios, pictures and plans. European and US-Radios.

UK Citizens Band radio - United Kingdom CB information from beginners basics to technical data

hamdata.com - Callsign lookup. Late FCC information. Information about the Hamdata callbook/logbook cd

RC.N Home of Radio Contesting - Interactive home for radio contesters. Includes scores database, access to contester chat, forums, real-time posting and near-real-time news feed.

Transmission1 - Radio Resources for PMR 446, Scanning, Broadcast and CB Radio

SVSRG Radcom - Information and data for all aspects of radio comms and a link to the SVSRG home page

National Radio Data - United States and Canadian call sign/scanner frequency databases, Worldwide airport frequencies, FIPS codes, Mass Media searches for DXing and more!

HAMS with CAMS - Hams with web cams database with net and roundtable information.

Laipac Technology Inc. - We are committed to constantly improving our solutions in areas of GPS System, GPS Receivers, GPS Antennas, GPS Dataloggers, RF Modules, Wireless Security Systems, Automatic Vehicle Location (AVL) for real time and passive tracking

ERO Frequency Information System - ERO Frequency information system, search frequency allocation database for many european countries and ITU region 1

Internet Radio Linking Database - The purpose of this site is to allow users to be able to easily search an area and determine what users or linked systems are available for use there.

Transmitter hunting - Locating or finding radio transmission sources or hidden radio transmitters is known as transmitter hunting.

Artsci USA Rpt Database - Complete repeater database with all US states

KN4LF Daily Solar Space Weather & Geomagnetic Data Archive - An archive of daily solar, space weather & geomagnetic data.

Norwegian Scanner site - Online database: downloadable database, updated monthly. In norwegian.

RadioReader-Pro - Professional software for real-time analysing, demodulation/decoding digital radio-transmission``Demodulation based on the best of the noiseproof correlation algorithms``Demodulation ASK, Morse, FSK, MFSK, CPFSK, GMFSK, FSK4, FSK8, PSK, BPSK, QPSK, FAX

Ham Club Database - Designed to keep track of your club's roster

Nlog Database - Contact logger for your PDA

GNPDB - The program GNPDB is intended to display the ILGRadio broadcast database. Requires MS Windows 95,98,2000,XP.

Tube Amplifier data and tech info - Source of common model manuals and amateur help on amplifier problems for the amateur bands, Discussion of vacuum tube amplifiers. Technical information and discussion of obselete tube replacement.

Cobra 2000 owners group - Technical and forum database on the great Cobra 2000 base

Bi-Pi Search Datasheet - Electronic component engineering, datasheet lookup system

IK4AUY Sergio - Advanced QRP Low Cost Mosfets HF Linear Amplifier with schematics, IMD, gain data and more. Six articles about amateur radio.