linux audio recording

EH for 40 meters by CO6HK - Article on a homebrewed EH antenna for 40 meters band in spanish

Radio Sport Amateur Radio Contest Calendar - Amateur Radio Contest Calendar with iCal support.

G4ZFQ beacon monitoring - Recording and logs of UK beacon monitoring station at G4ZFQ

W3PGH Greater Pittsburgh VHF Society - A Nonprofit Society Dedicated to Furthering the Interest of VHF/UHF Operation in the Greater Pittsburgh Area.

Boston Police Radio Scanner - Broadcastify listen live audio feed from Boston Radio Police Fire and EMS

Edmonton Fire Department Live - Listen to live audio from the Edmonton Fire Department.

N3PKC's AO-51 Recordings - Here's some recordings made while working AO-51 from South Canaan PA

G4UCJ 6 meter report and recordings - Recent six meters report from UK with recording of some QSOs

Farallon Electronics - PACTOR mode radio modems and accessories, performance sailing electronics and innovative hard to find parts. Audio cables, packet cables, usb to serial converters

Signatec - Signatec manufactures pc based data acquisition waveform digitizers pci daq boards, digital signal processing pci dsp boards, waveform signal generator pci dac boards, and real time waveform recording products for the signal technology market.

Ivie - Manufactures automatic mixers, analog and DSP signal processors, room combining and matrix mixers, and audio test equipment for just about any customer application.

Vacuum Tubes, Inc. - Worldwide sellers of vacuum tubes and electron tubes for audio, radio, and industry

D-StarLet - D-Star Radio Messaging System - A web-based text messaging application using D-Star digital data technology. Client server environment, where server can run linux windows or macos os with apache tomcat by Dean K. Gibson.

Filtroid - Filtroid is an extremely easy-to-use program for synthesizing microwave filters. It can be used to design practically all filter types from audio to microwave frequencies as well as amplitude and delay equalizers and attenuators.

W2IOL GCGC Distance/Bearing - Freeware dos and linux command line executables to calculate grid great circle/geodesic distance, azimuth/bearing and MUF calculator by W2IOL

CQRLOG for Linux - CQRLOG is a Linux advanced ham radio logger based on Firebird database. Provides radio control based on hamlib libraries.

IBP - Beacon Monitor - Linux program that helps one with monitoring the beacons of the International Beacon Project, by continuously showing which beacon is transmitting on which frequency, along with the distance and antenna directions by PA3FWM

RSCW - RSCW is a Linux/Unix program for decoding morse signals using the computer's sound card. It has been written/optimized for digging weak signals out of the noise.

LinRepeat Priority listing - LinRepeat is free repeater control software for Ham Radio that runs on Linux. It is easily configured and modifiable, and is licensed under the GNU Public License version 3 (GPLv3). It's intended to be as simple, fast, and stable as possible. It relies on other software such as Gstreamer although the program itself is written entirely in Perl.

HF software digital modes for linux - This software allows a standard PC soundcard to be used as a shortwave data "modem". The whole processing is done on the main processor CPU. Support RTTY Amtor (Sitor) and Pactor 1 by Thomas Sailer, HB9JNX/AE4WA

QAntenna - Freeware antenna analyzer for linux

SPLAT! for Windows - This free software is useful for visualizing terrain and performing Longley-Rice path loss and coverage prediction using the Irregular Terrain Model. A Windows port of the Linux-based SPLAT by John Magliacane.

A simplified video control box - When one starts in amateur television, one begins with a small simple transmitter and a small camera. But very quickly, one needs to transmit audio signals with the pictures, then comes a second camera

Designing Op Amp Audio PreAmplifiers - Design guidelines for Op Amp audio preamplifier circuits by Mike Martell N1HFX

Sound Card Interface by VK6YSF - Presented here is a transceiver to computer sound card interface complete with automated transmit key function. A sound card interface is simply the audio coupling of a computer soundcard and a transceiver to allow various computer applications that send and receive SSTV, RTTY, PSK31 and other similar modes based on soundcard generated signals.