audio signal generator

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.

SWOT Radio Club - 2-Meter Weak-Signal Enthusiasts

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

Listing of Q Signals - Miscellaneous abbreviations and signals to be used in radiotelegraphy communications except in the maritime mobile service

JT6M.org - The purpose of this web site is to promote JT6M as a mode of communication on both 6M and 4M band and guide users through setting up and using JT6M effectively. Optimised for 6 metre band Meteor Scatter, JT6M allows you to make meteor scatter contacts easily. JT6M is part of the WSJT suite of digital weak signal software applications developed by Joe Taylor, K1JT

Long delayed echoes in EME - The following discussion about the long delayed echoes (LDE's) on the EME signals

Magnetospheric ducting as LDE cause - LA3ZA on magnetospheric ducting as an explanation for delayed signals on 3.5 MHz

Here Comes the Sun - Propagation and Sun - Solar activity can aid or hamper HF propagation beyond line-of-sight range, WA1SVF and N6BV answers to questions about Sun influence on radio signals propagation

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

Ten-Tec Orion 9 MHz IF Output - This article describe hot extract a wideband 9 MHz IF sample signal from a Ten-Tec Orion model 565 by VE7TK

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.

VOAProp - VOAProp shows you typical propagation for a given hour of the day during a given month. The propagation is shown as expected signal strengths to be received from different parts of the world, plotted on a world map. Windows freeware by G4ILO

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

Alternate Power Sources - Article about alternate power sources, like portable generators, solar panels, batteries and wind turbines

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

Using Band-Pass Filters - Clean Up Your Signals with Band-Pass Filters

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.