audio fft analysis

Gamma Match Article - A working analysis of the gamma-match problem that gives usefull practical results. New light on the question of when it will and when it won't give a perfect match to the coaxial transmission line.

CQWW Analyzer - CQWW Contest data analyzer show volume of contacts by band per each zone require Flash by EI6DX

Beacons sounds - Beacons recorded audio files by kl7fdq

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

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 - 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

N3UJJ Antenna Analysis of Gap Titan - Analysis of N3UJJ installed antennas using the AIM4170b Antenna Analyzer

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.

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.

Windipoles - Windipoles is a free passive filter simulator. It is a Windows .NET executable, so no software installation is required. It enables design, analysis, optimizations and plots, all graphically.

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

Low Pass Audio Filter - 440 Hertz peaked low pass audio filter experiments

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

Power Supply Analysis - This article explains how a linear power supply works, QST Article

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.