audio spectrum

Beacon Signals.com Priority listing - Covering all areas of beacon signals including radio beacons and beacon technology. Access free beacon recordings and graphs using Spectrum Lab, SpectraVue, and CW Skimmer.

Beacon Station MO 189.5 KHz - This site is dedicated to experimental low frequency operation in the 160 to 190 kHz spectrum. LF beacon MO is no longer active. This page is retained only for reference information.

Downeast Spectrum Amateur Radio Newsletter - The Downeast Spectrum is an Amateur Radio newsletter covering topics of interest to enthusiasts of the Ham Radio hobby and service. It also reports on the activities of three ham radio clubs in Down East, Maine

Big Bear Scanner Live - Located in Big Bear City, CA (Shay Meadow). Streaming 24/7 since 2002 the Big Bear Scanner is providing the latest realtime audio from Big Bear City Fire, San Benardino National Forest, CalFire, San Bernardino County Fire, CHP, Lake Patrol, and much more!

Ottawa live audio feed - Ottawa EMS live police radio, and emergency services canada

Bird Technologies - Bird Technologies supplier of RF products, like RF Meters, Bird 43, VNA, Spectrum analyzers, attenuators, transmitters combiners, dummyloads, terminators and replacement parts

TCI International - US global provider of innovative radio frequency (RF) solutions for spectrum monitoring and antenna applications. Specializes in Spectrum Monitoring, Communications Intelligence , HF/MF Broadcasting & Communication antenna systems.

Analyzing UHF signals using FFT programs - With spectrum analysis of beacon signals, it's possible to see features relating to various propagation phenomonen.

IC-7000 Mods - IC-7000 TV Enable Reception, ) TVRO & MARS (US version), TVRO & MARS/CAP Mods by N5AC, IC-7000 RX range expand mod, IC-7000 Tone noise, How to fix the IC-7000 audio noise

IC-7000 Mic Upgrade  ^updated - HM-151 microphone shipped with the IC-7000 has inadequate audio output level

TS-2000 Remote Control w/ Audio - Remotely control kenwood TS-2000 with HRD

Kenwood TS-2000X Tx Distortion fix - VE2ZAZ and distorted audio in SSB on some models prior 2006

FT-2000 page by DK3HV - Best audio settings, modifications and tricks for the Yaesu FT-2000 by DK3HV

Hi-FI Audio with Yaesu FT-2000 - Setup for the Yaesu FT-2000 by John K3UR

Yaesu VX-8R - Audio Problem Solved - Videos and details on a audio problems of yaesu VX-8R

MiniDSP - MiniDSP is a platform for digital audio signal processing applications. Manufacture low cost digital signal processor kits for the DIY/OEM market. Our flexible audio platforms are software controlled and easily upgradeable.

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.

National Test Equipment - New, used, & reconditioned electronic test & measurement equipment sales, rentals, & service. Agilent/HP Spectrum Analyzers, Tektronix Oscilloscopes, Fluke Calibrators, & much more.

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.

Ham Radio Deluxe Satellite Tracking - Nova DDE Support, Scheduled Kepler data downloads, Integrated web browser, Audio announcements, Google Earth integration, dual radio support

Control unit for receive audio - A master control unit for receive audio

Enhanced SSB Audio - K4QKY Presentation about SSB Audio, what's it all about and why the controversy

A Ham's Guide to RFI, Ferrites, Baluns, and Audio Interfacing - Understanding and solving RF interference problems using ferrite

PC to RTX interface - Interface with galvanic isolated audio and digital paths. For ICOM IC-706, IC-718, IC-746 and IC-756 HF transceivers, the next one suits modern KENWOOD HF RIGs and the third is a simple "PSK-31" interface.

100MHz Spectrum Analyzer - This Spectrum Analyzer supposes to be a cheap and a useful device for any ham radio by Iulian Rosu, YO3DAC / VA3IUL