live audio 201

HF J-Pole antenna - A Simple Nondirectional Antenna for Ten Meters QST February 1950, Easy to build J-Pole antenna for restricted space.

JJ6 Antenna - VK2ABQ G6XN W4RNL G4ZU comparisons

TX5K Online-Log - TX5K Log On-line Clipperton 2013

ARRL Rhode Island Section - The Rhode Island ARRL field organization serves members who live in the state of Rhode Island

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

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

Braintree Fire Local 920 - Fire department live scanner

VK3RTL-R IRLP Live Stream - Listen live to VK3JED Node 6390 and EchoLink VK3RTL-R

HF - VHF Radiowave Propagation Center - High frequecy and VHF radio propagation data, solar and geomagnetic real-time and historic data, as well as forecasts. A comprehensive propagation resource compiled by Tomas Hood, editor of the propagation columns of CQ, CQ VHF, Popular Communications, and Monitoring Times magazines. Solar Weather, Geomagnetic, Aurora, Ionospheric reports via eAlerts and webpage. WAP phone access. Live and educational resources, and more.

Amateur Radio Propagation RSS (XML) Live Feed - Live space weather and propagation data, in RSS (XML) format.

G7IZU Radio Reflection Detection Page - Meteor Shower, Aurora, Sporadic-E and Solar Flares detected using Radio Signal Reflection, by Andy Smith, G7IZU. Live waterfall displays from three receivers, live Es propagation maps.

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).

Newcastle Scanning - Newcastle Scan is the premier radio scanner site for Newcastle AUSTRALIA and a leader in live scanner feed, pictures and emergency recordings GRN INFO AND IDS frequencys

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.

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.

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

Live MUF - Freeware live MUF calculator by EA6VQ-Gabriel and G7RAU-Dave for live calculating the possible e MUF on VHF during es season via a telnet link into dxc

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.