linux audio recording

QSL Buro Finder - Windows, Linux and macosx freeware that help QSL sorting by returing correct QSL buro looking up for callsigns bY IK4ZIN in italian

Linux in the Ham Shack - Linux Open Source and ham radio for everyone blog

ARI Prato Italy - Online Repeater - Italian ARI PRATO Amateur Repeater 145.725 Mhz Live Audio Feed

NL Ham Radio Swap Shop - Newfoundland & Labrador Swap Shop Canada

Milwaukee Fire Dep. Audio Feed - City of Milwaukee Fire Department Live Audio Feed

GB7OK and GB3OK Live Audio Feed - GB7OK and GB3OK Amateur Radio Repeaters located at Bromley, just to the South East of London England

Chicago Fire Dept. Emergency Services - LIVE 911 audio of the Chicago Fire Department North & South channels.

DX-World.net Soundbites - DX Sound recordings at DX-World.net contributed by visitors

Yaesu FT-897D PSK and RTTY Operation - Determining the audio input and output connections on the FT-897D.

FT-897D Audio processing and ALC operation - Audio processing and ALC in the FT-897D

Berlin Scanner Livestream - Ham Radio Livestream from Berlin, Germany.

APRSISCE/32 - APRSISCE/32 is an Automatic Packet Reporting System (APRS) program, primarily intended for Windows and Windows Mobile (CE), although it will run on Linux and Mac OS under wine. Offer enhanced messaging, announcement support via ANSRVR, and QRU for object query support, can run as a highly configurable Digipeater

Scanner Radio for Android - Android app to listen to live audio from over 2,300 police and fire scanners and weather radios from around the world.

Winkeyer USB server - Server allowing operation of the Winkey USB by K1EL with any Linux program with UDP keyer capability.

Spek - Spek helps to analyse your audio files by showing their spectrogram. Spek supports all popular lossy and lossless audio file formats. Spek is free software available for Unix, Windows and Mac OS X.

Aldo - Morse tutor - A morse tutor that drives any Linux supported soundcard.

tk7 Software for the ICOM IC-Q7 - tk7 is open source software designed for the ICOM IC-Q7 walkie-talkie. Though tk7 is intended chiefly for Linux, MacOS X, and BSD users, it will work on Microsoft Windows too.

phpPredict - Implementation of NORAD SGP4/SDP4 algorithms in PHP for determining a satellites location and velocity in Earth orbit. These SGP4/SDP4 models were ported from Predict 2.2.3 written by John A. Magliacane (KD2BD) for the Linux operating system.

K9DUR Voice Keyer - Voice Keyer was specifically written to interface to PowerSDR via Virtual Audio Cable (VAC)

VIT Voice Keyer - The VIT Voice Keyer is a simple soundcard based voice keyer. It plays various recordings and output them to your radio and key the PTT line.

Yaesu DSP Settings for Heil Microphones - To achieve maximum audio quality it is important to adjust the DSP settings of your transmitter when using Heil microphones.

Audio Compressor for SSB - Build an audio Processor and clipper optimised for SSB transmitter

KG9OM Audio Processing setup - Audio processing chain at KG9OM

Cables - A basic article on audio cables, electrical wiring, cable lenght, data cables.

20m CW QRP Transceiver - The direct-conversion receiver uses an audio-based automatic gain control, an LC tone filter, and a 100-kHz crystal for frequency alignment. The same VFO is used for transmitting and receiving by DC1YB