audio oscillator kit

VU2UKR HAM Radio Station - HAM Radio India Yagi Beam CW QRP SSB QUAD DX circuits sound card Transceiver Morse HF VHF Antenna Satellites Amateur Club Station Operators Licence Exam ASOC Guide Digital Mode Equipment Transmitter Experiments Project schematics Beacon dx HAMSAT VUSAT Satellite Emergency communication Information Homebrew QRP Kits

K7ICU Repeater Network in Tucson AZ - Live streaming audio of the K7ICU repeater

Murfreesboro Police and Fire Dispatch Live Scanner Audio Feed - Murfreesboro Police and Fire Dispatch Live Scanner Audio Feed on RadioReference.com

Springfield Police Scanner - Listen to the Springfield MA, police and firefighters, live and uncensored.

Rutherford County Sheriff and Fire Live Scanner - Rutherford County Sheriff and Fire Live Scanner Audio Feed on RadioReference.com

Tucson Police and EMS Live Scanner Audio Feed - Tucson Police and EMS live scanner audio feed on radioreference.com

SE Engineering - Manufactures FM antennas, mast ground kits, 75 ohm isolation transformer, for the broadcast industry.

Quartslab - Quartslab has over 30 years of experience in supplying quartz crystals to the international communications market. Our product range includes the supply of quartz crystals in the frequency range 1.5 to 225 MHz in all popular holder types as well as crystal oscillators in DIL8 and DIL14 packages.

A Two-Way Morse Practice Set - The system consists of a pair of Morse practice oscillators connected by a piece of two-conductor cable. Pressing the key on one unit produces a sound in both units by Peter Parker VK3YE -

Icom ACC1 interface - Need to interface both a TNC and the computer soundcard? This is a ICOM 756PRO ACC1 audio/keying/FSK interface by WA0SXV

Jaycar Electronics - Jaycar electronics offers electronic kits, components, semiconductors, enclosures, batteries, PMR, transceivers, UHF CB Antennas

The Audio Guru - The Audio Guru sells hi quality parts and installation accessories for amateur radio on the web at www.theaudioguru.net, and at HamFests in the East Tennessee region, as well as Knoxville/Maryville Tennessee.

The AM Forum - A site dedicated for the AM Radio Amateur and vintage radio. Home of the AM Press/Exchange, The AM Forum (the largest BBS of it's kind),and The AM Classifieds, Photos, Audio, and technical information. Audio and Video chat rooms.

ScannerCast - Lets you listen to your scanner across your own network, or via the internet. Shoutcast/ICEcast compatible broadcasting for Uniden and GRE scanners. Broadcast your audio from your PC.

Fatpigdog's Real Time FFT Audio Spectrum Analyzer - Fatpigdog's Real Time FFT Audio Spectrum Analyzer. User interface has the look and Feel of an HP Spectrum Analyzer. But, in addition to the regular Spectrum Plot, it also produces detailed Waterfall plots. The user can optimize the color map, chosing from a wide assortment of color themes. This analyzer supports multiple traces, trace arithmetic and normalization.

ESSB enhanced SSB - About SSB Audio by N4KC

PCB with kitchen appliances - Cheap and relatively easy way of making professional quality printed circuit boards at home

Receiver Band-Pass Filters - Third-order Cauer filters can boost performance of multi-transmitter, multi-operator contest stations to the next level. The filters are practical and you don’t need expensive test equipment to align them.

Basic RF Oscillator - A simple RF oscillator by Harry Lythall - SM0VPO

The Rock-Mite CW Kit - The Rock-Mite is a 40m CW kit offered by Small Wonder Labs . It features built-in keyer, direct conversion receiver with a crystal RF bandpass filter, 500 milliwatts of power, and switchable frequency offsets to work around QRM

Better Ears for the HW-7 - WA8MCQ modification for the Heathkit HW-7 transceiver

TenTec Omni VI AGC modification - Modification leaves nearly all of the existing Omni agc circuitry intact, simply add an audio detector which modifies the delay characteristics of the original system by G3IXQ

Frequency calibration procedure - Method of master oscillator calibration on most solid state rigs that are out there today by KK5DR

Regenerative receiver for beginners - A modern version of the classic regenrative receiver designed and built by Charles Kitchin ARRL Article

Regenerative receiver project - A short wave regenerative receiver project by Charles Kitchin, N1TEV