improving dsp audio

Measuring Cable Loss - Improving measurement accuracy when low-power analyzers are used.

Vintage Electronics - Antique radios and audio sold to collectors and dealers

Allen Cutts' Boatanchors - Allen Cutts collection

Vintage Radio & Audio pages - A resource for Collectors and Restorers of Vintage Electronic Equipment.

Johan's old radios - collection of vintage audio equipment

M.V.S.Z AO Svetlana - Audio hi-end tubes for amplifier

Las Vegas Metro Police Department 24/7 Scanner  ^pop - Las Vegas, NV Police scanner. It is 24/7 and live.

Houston area firefighters live feed - Houston FD live dispatch audio and discussion group

Delaware State Police 911 Scanner  ^updated - Listen to New Castle, Kent or Sussex live police radio scanner

Las Vegas Live Scanner  ^pop - Las Vegas, Nevada Police and Fire Live Scanner

Minnesota - Willmar Police & Fire-EMS Scanner Feed - WILLMAR MN KANDIYOHI CO. Police fire EMS highway dept.

New York Live Police Radio  ^{updated  pop} - Listen to NYC Live Police Radio

Neutrik, Connectors - Supplier of professional entertainment connector products. The company designs, manufactures and markets audio, video, fiber optic and industrial connectors

Gateway Electronics - Amateur radio kits, cw keyers, vhf mini receivers, 2 meter preamplifier and more audio related kits, based in St. louis, Mo and San diego, ca USA

FDMDV - Digital Voice - FDMDV - Frequency Division Multiplex Digital Voice Digital Audio over HF SSB. FDMDV is the latest digital voice mode on HF - it caters to high quality digital voice under poor band conditions, in only 1100Hz bandwidth

Lowe electronics - UK dealer for pmr audio accessories, batteries and cases, audio accessories and airwave tetra products

Linrad - Multiplatoform freeware DSP software. Linrad has its origin in software that was developed for 144 MHz EME CW but it is quite general and should be seen more like a kit for designing a receiver that a receiver for some particular usage. It can be used as a CW receiver with a small time delay and a fast waterfall graph. A dsp for conventional receiver to imporve signals readability, a spectrum analyzer.

Linrad - An open source software defined receiver for Linux, Free DSP and Windows

SCAN505 - A simple freeware scanner program for the Kachina DSP505. The software does NOT control the radio thru the interface port - it works in conjuction with the Kachina control software using the file interface

David Taylor Satellite tools - Collection of Satellite and Audio tools. Weather and satellite software and utilities

Soundcard Audio Tools and Toys - Soundcard audio tools and toys, experimental ideas and utilities. Signal Generator, Frequency-counter / instrument-tuner, Real-time Spectrum Analyser

Yaesu FT-1000D HiFi SSB Audio and Mods - Using Hi-Fi Audio with FT-1000. Includes many FT-1000D modifications too by K6JRF

Using ferrite for interference suppression - Excellent guide to using ferrite cores for interference suppression. Understanding and Solving RF Interference and Noise Problems by Jim Brown K9YC Audio Systems Group, Inc. PDF File

CAT & audio interface - Schematics and plans to build a custom CAT and audio pc interface

Vacuum Tube Software - The VTDATA software package is a complete vacuum tube manual on your computer. It has all the information you'd expect in a tube manual. VTDATA's database also includes vacuum tubes of historical interest, such as the early "two digit" types (45, 80, etc.) and hi-fi audio types.