audio fft analysis

The Moxon rectangle, what matters? - About the moxon antennas, analysis and technical considerations anbout moxon rectangles by SM5JAB

Ham Radio Online - Audio Stream Live - Ham Radio Audio Stream: listen live to German amateur radio repeaters.

Virginia Beach Police  ^pop - Live dispatch audio from the Virginia Beach Police Department by www.hrconnect.com

Virginia Beach Fire Department / EMS - Live streaming audio of the Virginia Beach Fire Department and EMS services by www.hrconnect.com

Norfolk Fire and Rescue - Live dispatch audio from Norfolk Fire and Rescue by www.hrconnect.com

Chesapeake Police Dispatch - Live dispatch audio from Chesapeake, Va police dept by www.hrconnect.com

Newport News Police & Fire Dispatch - Live dispatch audio from Newport News, Virginia by www.hrconnect.com

Kern County Sheriff's Live Dispatch - Listen to the Kern County live police scanner

New York Police scanner, NYPD FDNY  ^pop - Listen to NYPD and FDNY fight crime and fires on Staten Island. New York police scanner radio streaming in real audio.

Los Angeles Police Scanner  ^{updated  pop} - LAPD Los Angeles Police scanner. Listen to LAPD Live feed

PC to RTX interface - Schematics for IC-706, IC-718, IC-756PRO, TS-570, TS-870, and simple universal S.B. interface All three interfaces presented on this page employ galvanic isolation of the transceiver from PC computer. Audio paths are separated by transformers, optocouplers serve to separate the digital paths (PTT and RTTY keying).

Independence Missouri Police Scanner Page - Independence Missouri Police Scanner, live & recorded audio broadcasts.

ScanNewBedford.com - Welcome to scannewbedford.com. This site was built for people who would like to hear a live broadcast of New Bedford Massachusetts public services. There are also a few frequencies from other local towns such as Dartmouth, and Fairhaven being broadcasted on our live audio feed. The web site is free for everyone to use and pass along to another friend. Thank you and enjoy the Scan New Bedford Live Scanner Audio Broadcast of New Bedford`s Police, Fire, and EMS.

M&P Audio - We are a new Amateur radio dealer. We carry products from Alinco, Hustler, Ranger, Antenex, Heil Sound, LDG, Uniden, TE Systems, Coax, and Radio Accessories.

Shortwave Monitoring Station - Berlin - Shortwave Monitoring Station in Berlin: DX news, HF propagation, greyline, DRM news, QSL gallery, audio recordings and more

Radio Nepal - Radio Nepal airs broadcasts on mediumwave, shortwave and FM frequencies and news bulletins and music on the Internet via RealAudio.

EWTN - Lists the programs and schedules of Global Catholic Radio WEWN, which operates 24 hours daily on WEWN shortwave, via satellite and live audio streams, and also on many AM/FM stations in U.S.A.

Rádio Nacional de Angola - Provides broadcast times, frequencies and power of the network emissions. Airs mediumwave, FM, shortwave and RealAudio broadcasts

Scancorder - With Scancorder you can record and replay audio from your scanner using your computer soundcard. The audio is recorded digitally as a wave file, so that even digital modes can be re-processed or analysed later.

Spectrum Lab  ^pop - DL4YHF's Audio Spectrum Analyser Spectrum Lab or Speclab started as a simple FFT program running under DOS a long time ago, but it is now a specialized audio analyzer, filter, frequency converter, hum filter, data logger and more. Can be used for MTHELL QRSS, DFCW, PSK, MSK, Castle

SH5 Contest Log Analysis - SH5 is an easy to use ham radio contest logs analyzer which creates a variety of statistics in HTML format from the Cabrillo format log. Run under Windows and is free to download, by the makers of TR4W

TS785D - TrunkStar785D is a high-performance, full-featured software package for Uniden® BC785D, BC250D, BC796D and BC296D digital trunking scanners. Data management, operational control and spectrum analysis features are provided.

Audio Spectrum Analyzer - OscilloMeter  ^pop - Audio Spectrum Analyzer for Real-time, FFT, OscilloScope, Frequency counter, voltmeter, noise and distortion meter, phase shift meter. Multi-Tone Sound Frequency Sweep Generator. White, pink noise.

Audio Preamp - Easy circuit that provide good gain to weak audio signals

430MHz ATV transmitter - ATV transmitter on 430MHz band used with special transmitting tube named 5894 for final stage. Run about 10W average for TV signal and 20W at synchronous peak. Final stage control gird modulation works well for NTSC color video signal and good at audio as well.