french scanner frequency

Scanner J-Pole - J-Pole antenna information for scanner use.

Enterprise Amateur Radio Society - Club information, weather links and info, scanner and repeater frequencies, APRS links and more.

Mareeba online scanner - Located in Mareeba, Australia.

Blackford County, Indiana Live Scanner feed - Blackford and surrounding counties Police, Fire, EMS, and EMA.

Coral Springs Police and Fire Dispatch - Coral Springs Police and Fire Dispatch Florida

Braintree Fire Local 920 - Fire department live scanner

Amateur satellite frequency guide - Amateur Satellite Frequency Guide, Compiled December 1996

Frequencys for wefax - Where wefax transmission can be heard.

Current Optimal Frequency Charts - Optimal Working Frequencies (MHz) for High Frequency (HF) / Shortwave Radio. By region, updated monthy.

Radio Scanning basiscs - Definition of scanner and introduction to scanning

RadioTronics - Online UK CB Radio shop specialising in UK CB Radio and 10m Amateur radio equipment. Scanners and multiband receivers also available.

Blue's radio stuff - Site for radio, antenna, and scanner sales. There is also some useful information about mods and mic wiring.

Radioscan - UK retailer of handheld radio scanners. Site includes item descriptions and software downloads.

J Pole calculator  ^{updated  pop} - Enter the operating frequency and calculate dimensions of your jpole antenna

AC6LA MoxGen - MoxGen will show you the dimensions and generate an antenna model file for a 50 ohm Moxon Rectangle antenna, given the design frequency and wire size

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

WiNRADiO for Mac - WiNRADiO for Mac, WiNRADiO provides Apple Macintosh support for our most popular receiver, the WR-1550e, a medium-range external receiver with frequency range 150 kHz to 1.5 GHz

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.

50MHz frequency counter, V-meter - Circuit schematic PCB and photo documentation on building a 50 Mhz frequency counter

Direct Conversion HF Transceiver with DDS LO - Direct conversion HF radio with DDS frequency synthesizer is very interesting concept. OH7SV and OH2NLT are experimenting with such rig. Full stories will become available when project matures. Here we have some preview pictures and material.

General Information about RFI/EMI - RFI/EMI RadioFrequency interference/electromagnetic interference by ARRL Technical Information Service page

RFI Information Page - This page gives information about Radio Frequency Interference, the unwanted reception of radio signals. You'll find out how to determine what is at fault (the transmitter or the receiver) and what you can do in either case.

EMI from Lamps - Radio Frequency Interference To/From touch lamps and dimmers

Using ferrites for interference suppression - This tutorial is meant to shed some light on the use of ferrites, and also presents some comparative frequency domain measurements both to illustrate some of the points, and to give designers an idea of what they might expect in using and specifying a ferrite component

6m High Pass TVI filter - Are you suffering from TVI? Then why not try this filter for size. It is a three-stage high-pass filter that blocks low-frequency 50MHz signals while letting through UHF TV.