audio spectrum

TubeRadioDoc Priority listing - Vintage Tube Radio's from Germany for sale. High class restorations for all valve radios offered. Radio Brands like Saba, NordMende, Majestic, Grundig, Zenith, Philco and more. TubeRadioDoc Vintage Audio Store

GB7OK and GB3OK Live Audio Feed - GB7OK and GB3OK Amateur Radio Repeaters located at Bromley, just to the South East of London England

GB3DC Repeater live - Listen to the live audio stream from the GB3DC repeater

Orange County Sheriff Live Radio - Orange County Sheriff Live Audio Feed at radioreference. Florida USA

Council Bluffs area Police Scanner - Council Bluffs area Sheriff, Police, Fire, and State Police IOWA

Indiana State Police Live Scanner - Live steaming audio of Allen County Police & Fire dispatch and Indiana State Police dispatch.

Illinois - Chicago Police - Illinois Cook County, police scanner includes Chicago Fire Dispatch channels (North, South, and HazMat)

Detroit Fire Department Scanner feed - Detroit Fire Department Radio Feed

Waterloo Police Scanner - Live police scanner Region of Waterloo

xggcomms.com Interfaces - Xggcomms specialise in producing cost effective, high quality CAT and Audio interfaces for Icom and Yaesu Amateur Radio Equipment

Tubes.ru - specialize in trading Russian vacuum tubes used in broadcasting, amateur radio, Hi-Fi audio, meteorology, communication, medical applications and industr

Audio levels for digital modes - Setting audio levels for digital modes on FM

Drake TR-7 Improvements - Installing the Cumbria Designs X-Lock VFO Stabilizer, and Improving The TR7 Audio Quality

Fixed Audio Output for the K2 - W3FPR fixed level AF output fot the Elecraft K2

Yaesu FT2000 ESSB Audio Setup - Audio setting and improvements for Yaesu FT-2000 by k6jrf

Scan Stockton Priority listing - Scanner Recordings, Video Clips, Image Gallery From Stockton CA Area. Live Scanner Feed Available. Over a 110 plus audio downloads of fire, police, and other scanner recorded incident traffic. Listen while you browse the site by using the podcast media player.

Alpha Uniform SWL DX Radio Club - Welcome to Alpha Uniform Audio Unity DX Gateway to the Lands Down Under Free Memberships

K9DUR Voice Keyer - Voice Keyer was specifically written to interface to PowerSDR via Virtual Audio Cable (VAC)

MorseDec - MorseDec decodes and encodes Morse with a range of 5 to 50 wpm. It includes: auto-tracking for wpm speed, macros, spectrum analyzer. Easy to use but powerful.

Integrated Circuit Audio Amplifiers - Circuit designs for IC audio amplifiers by N1HFX

Design Guidelines for JFET Audio Preamplifier Circuits - Design Guidelines for JFET Audio Preamplifier Circuits By Mike Martell N1HFX

QRP NESCAF Kit - The New England QRP NESCAF Kit Switched Capacitor Audio Filter by N5ESE

Switched Capacitive Audio Filter - NEScaf: A Switched Capacitive Audio Filter

30 m Band Direct Conversion Receiver - The direct conversion receiver described consists of only a bandpass filter, mixer IC, VFO and audio filter. With only 22 parts, this simple circuit should take a few hours at the weekend to construct.

How to use HamAlyzer - How to use software Spectrum Analyzers like HamAlyzer by W3OZ