audio spectrum

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  ^{updated  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.

Eurofrequence Dierking in Germany - Accessories, like universal audiofilter, Mixer interface for sound card, highvoltage powersupply, accessories for 706, hamradio vacation,Roger Beep, Microphons, Headsets and more. Please look

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.

Spectrum Analyzers and Electronic Test Equipment - We sell a wide variety of new and used spectrum analyzers from leading manufacturers such as HP/Agilent, Anritsu, Tektronix and others.

Radio Vlaanderen International - Current program schedules, RealAudio feeds, and listening tips from Belgian Public Radio which broadcasts worldwide in Dutch, German, French and English.

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

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

Virtins Technology - Offer PC based virtual instrument for electronics enthusiasts, students and professionals, including full-fledged sound card real time Oscilloscope, Spectrum Analyzer and Signal Generator.

Spectrum Commander - Scan*Star Spectrum Commander is the software of choice for radio enthusiasts who desire advanced computer control, comprehensive database management features and support for a wide range of radios and decoders.

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

Introduction to spectrum analyzer - Explains the fundamentals of swept-tuned, super heterodyne spectrum analyzers and discusses the latest advances.

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.