audio generator

K5ZD contest audio live - During some of the serious contest operations from K5ZD, we will enable live audio streaming direct from the headphones

South Florida FM Association - SFFMA 147.000 Repeater audio By KG4LXH

Scan Merrimack Valley - This site contains the Scan Merrimack Valley Fire Feed which has live audio from Area Fire Departments in the Merrimack River Valley, Massachusetts.

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

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

Elenco Electronics - Test equipment maker, digital oscilloscopes, generators and counters, multimeters, logic probes testers and more

Create My Azimuthal Equidistant Map - Online generator or Azimuthal equidistand map

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

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.

Aziworld - This program is a generator of coloured azimuth world maps centered on any terrestrial position. Windows Freeware

Amateur Radio Exam Generator - Industry Canada is pleased to introduce an exam generator software package to facilitate the amateur examination process that our accredited examiners have taken on our behalf.

KE7ATE - VR-5000 Signal Capture and Analysis Software - Give your VR-5000 a new face. Controls your VR-5000, Log stations, Manage frequency lists, Record Audio and more. This program utilizes a more visual approach to simplify your radio listening.

JQAM (QAM modem) - Transmit audio/video, UDP packets, http, rs232, with QAM using the soundcard rates up to 100kb/s.

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

FT-726 AUDIO Modifications - Throughput improvement for the FT726R - Tapr PSK modem

CW keyer - The PIC-MORSE is an electronic iambic keyer, integrating a generator of Morse code and a sidetone. It is built with a microcontroller PIC16C711. In French

OH5FAD RF Signal generator - Schematic and information

VK1PK RF Signal generator - 3 to 12 MHz signal generator, simple local signal source

Signal generator to adjust a ssb-transmitter

Signal Generation Solution - Build an inexpensive RF signal generator

Restoring an RF Signal Generator - This signal generator is intended for realignment of radio receivers

Precision E-200-C Signal Generator - This page lists some vintage test equipment including RF Signal generators, tube tester, cap tester, audio generator

Signal Generator VFO - Signal Generator (VFO) with Direct Digital Synthesis by Bruce AA0ED and Craig AA0ZZ

UHF signal-generator - Schematics by jf10zl

VHF signal generator - a simple VHF signal generator in order to measure the characteristic of low pass filter.