digital audio

Testing EH Antennas - EH antenna tests report by Claudio Re, I1RFQ in pdf format

Webtubes AntiqueTubes - Collectible,antique, Radio Tubes, special purpose and audio electron tubes and literature.

ESP316 comunicacion digital - Spanish web site of pg group maindly dedicated to digital radio

SPARC - SPARC club offer live repeater audio streaming from West Haven, CT USA. EchoIRLP link also available.

NASA Online VLF Receiver  ^pop - Hear VLF audio from NASA online VLF radio receiver in Huntsville, Alabama.

Bankstown Airport-Sydney, Australia - Audio from Bankstown Airport monitored on 132.8 mhz. and 123.6 mhz.

Kenwood TS50 web control - This is an academical project to control my TS50 from the web.You can of course listen live real time audio. It is not 24 hours/day ONLINE, but click on the link to know if its connected.

This Week in Amateur Radio - Amateur Radio News and Information Bulletin Service delivered via satellite on AMC-7, transponder 5, 7.5 MHz wideband audio and over the internet in MP3 and RealAudio format

Eurofrequence Dierking NF HF Technik - UFB Hamradio audio filters and more accessories

PicoScope - Pico Technology have developed a wide range of professional PC-based instruments that offer all the functionality of conventional test equipment (DSO - digital storage oscilloscope, spectrum analyzer, meter), and also many features not normally available in this price range. Available functios are Oscilloscope, Spectrum Analyser, XY Scope, Meter and Measurements

The Continuous Wave D.A.T.V. System - Digital Amatuer Television for Northern New Jersey

VHF/UHF 2 meter PSK and digital Group - Looking for Hams that want to experiment on VHF/UHF PSK/digital modes

RK3AF Aurora pages - VHF, ms, aurora, es, photos, audio, link, soft and more.

ManualMan - Now over 10,000 manuals for amateur, audio, and radio-related equipment available

Radiosgalore - UK Radio Database. full listings of ALL uk radio stations. DAB digital Radio included

Capitol Hill Monitors - Frequencies, links for scanners, email lists, online audio and more for Maryland, DC, and parts of Delaware and Virginia

DXing.info - A comprehensive collection of DX information consisting of news, audio files, station profiles, equipment articles, discussion forum, DXpedition reports and logs for mediumwave, shortwave and FM DXers.

Digital Modes collection - RTTY SSTV PSK31 MFSK MT63 PACKET APRS and more...

DataBase Toolkit by AOR - Windows freeware database containing frequencies, locations, and a small logging program capable or recording audio

MacDSP - Digital filter for Macintosh computers with a PowerPC processor

iSpectrum Analyzer - Macintosh audio spectrum analyzer that allows the user to view live audio in a standard frequency plot, a stereo oscilloscope view and a waterfall display

MRP40 Morse Decoder  ^{updated  pop} - Program to receive morse code via sound card, Windows 9x/Me/XP, it allows to transmit morse code from the keyboard. Includes a comfortable Audio Analyzer Display. Successor of known MRP37

Ham Radio Deluxe Logbook - HRD Logbook v5 is a freeware windows logbook program that offer full control of your radio, Rotor control, support for many db engines, multiple logbook, dx cluster client interface, band maps and solar status report and audio recording

Electronic symbols - Analog digital symbols, identification of components, units and conversi„n tables for electronics circuits design

Radio Shack Special - Here's an amazing one transistor FM radio that has amazing sensitivity, selectivity and great audio output