live audio

Rotatable Flag Antenna for 160 meters - The FLAG and PENNANT antennas optimized and publicized on the topband reflector show great promise for those who live on less than full section farms

San RomanoFire Dep. Live Radio - San Romano Valley, California, Fire department live audio stream

Hamnet - Listen to the SARL Hamnet weekly audio report transmitted on Amateur Radio Mirror International Sundays at 10 CAT Sunday

Tuolumne County Incident Feed - Tuolumne County California Incident Feed Live scanner stream for police, fire and emergency

Lincoln Police Radio - Live police radio feed from Lincoln Nebraska

Bay, Saginaw and Tuscola counties live scanner - Live streaming police scanners, streaming Bay, Saginaw and Tuscola counties.

Albany scanner - Albany live radio scanner

Numbers Stations - About numbers stations, and their criptic transmissions, where to listen to them and some audio recording samples by fascinating shortwaves

Timewave - Sells leading-edge voice and digital communications products to the world-wide military, government, industrial, and amateur radio marketplaces. Bluetooth Remote Audio/PTT, Rig Controller with Audio & PTT , HamLinkUSB Rig Control, Noise filtersm antenna analyzers, Multimode Data Controller, TNC, Packet Radio Terminal Node Controller. USB2RS232

MFJ Enterprises  ^pop - MFJ manufacturer of ham radio antenna products, antenna tuners, antenna analyzers, morse code & CW, SWR wattmeters, antenna accessories , power supplies, audio filters, TVI filters, baluns, coax switches and more

Astrodyne - Dedicated to the design, manufacturing, technical support, and delivery of innovative and cost effective power solutions for worldwide applications. AC/DC switching power supplies and DC/DC converters.

Rock-N-Rescue - Rock-n-rescue the source for safety and rescue equipment focused on delivering the best equipment for climbing, water fire and search rescue

Live Repeater Stream in Okemos, MI - Listen Live to the 145.390 Repeater in Okemos, MI, USA. Stream provided by the Central Michigan Amateur Radio Club,KD8AYM and WX8BEN

KQ2H Repeater live stream - Repeater system in the New York metro area Service provided by W2LIE.NET

OSCAR-11 Satellite - News about the OSCAR-11 Satellite

Live VLF Natural Radio - A collection of VLF natural radio live streams. Where possible, streams are synchronised to provide stereo pairs with baselines of up to 4000 miles.

Scanner Food - Scanner Frequencies - Tri-Cities Frequencies, Live Scanners, CTCSS information and more

RF Stuff - Online shop for two way radio communications and amateur radio products, antennas, coax and cables, adapters and mounts, accessories and audio parts

DNJ Radio - Locate in the Silicon Valley, the DNJ Radio is dedicated to delivering Ham radio and CB radio equipments to the enthusiasts around the world.

Live Shortwave Radio Schedule - Dynamically generated shortwave radio schedule and world map. Updated hourly. Easy to read and use.

Spectrum Analyzer Real-time FFT - Eight-channel Audio Spectrum Analyzer is a set of Real-Time Multi-Channel Gauges for investigation of data accepted from any ADC you will want or 16-, 24- and 32-bit ADC of sound card. WDM drivers support. FFT Spectrum Analysis, OscilloScope, Frequency counter, AC/DC voltmeter, Signal-to-Noise Ratio, Signal-to-Noise and Distortion, Spurious-Free Dynamic Range, Effective Number Of Bits, Total Harmonic Distortion, Inter-Modulation Distortion, Phase Shift. Special modes of dual-channel FFT spectral analysis: Separate channels spectra, Spectra of digital sum, difference, product of two signals, Spectrum of digital product of original signal and its fundamental, Spectrum of Real and Complex Transfer Function, Cross Spectrum. Standart weighing of spectra according IEC and CCIR. Oscilloscope modes (for dual-channel ADC) are: original signals, sum, difference, dependence of one channel on another, amplitude distribution of input signals.

Coax Cable Antenna Switch, homebrew - KO4NR coax cable antenna switch construction by ve3cgc

Legendary microphones for ham radio - Graph of the frequency response of some of the legendary microphones favoured by radio hams

Bluetooth Audio and Amateur Radio - Bluetooth headsets are very common with cell phone users. As such, many amateurs may already own a Bluetooth (BT) headset. So why not use it with amateur radio?

When negative meets positive - Lightning can be a serious hazard depending where you live in the world. Chances are that if you living in an area where lightning strikes are common and you have a communications antenna, it may be attracted to you.