hypersonic sound

Sound Bits - Amateur radio sound recordings by G3NPF

Digital Radio Modes - Sounds - Sounds of the hf digital radio modes

AE9RB - Peaberry SDR - The Peaberry SDR is the first and only do-it-yourself transceiver that doesn't require adding sound cards to your computer.

Data Communications - Digital Modes - Summary of digital modes, description of several operating modes, with sound samples by Highfields ARC

Digital Modes - Getting Started in PC Soundcard Digital Radio, basics of amateur radio digital modes

Western Washington Amateur Television Society - The Western Washington Amateur Television Society (WWATS) is a group of amateur radio operators in the Puget Sound area with a common interest in amateur television

A PC as VLF receiver - Using a PC with soundcard as a VLF receiver, how to use your PC as a receiver for narrow-band signals in the VLF radio spectrum by DL4YHF

Waavebox  ^new - MacOSX real-time precision signal / waveform generator. Uses native Mac sound Out capabilities.

Soundcard Oscilloscope - PC based Soundcard Oscilloscope software that receives its data from the Soundcard with 44.1kHz and 16 Bit resolution.

Yaesu DSP Settings and Pin Connections - Yaesu DSP audio settings for Heil Sound headphones

Elecraft DSP audio settings - DSP Settings and Mic Connections for Elecraft K3

Icom DSP Settings and Pin Connections - ICOM audio DSP settings and pin connections for heil sound headphones

Kenwood DSP Settings and pin connections - Kenwood radios audio DSP settings for Heil Sound headphones

PSK31 interface - A simple PSK31/digital interface which can connect your transceiver to a PC soundcard for digital modes.

Signalink USB Interface - Setup notes - Hints and Tips in using the Tigertronics SignalinkUSB External USB Sound Card and Interface

Sound Card Interface with Tone Keyer - An improved version of the audio interface commonly used to connect a computer soundcard to a transceiver\'s receive and transmit audio circuits

Oscilloscope for the Blind - The vOICe Learning Edition can be used in combination with a regular oscilloscope, allowing blind users to hear any oscilloscope trace.

Simple RF Measurement Probe - This probe is useful for any low level RF work, and simply connects to your multimeter.