audio filter

Beacons sounds - Beacons recorded audio files by kl7fdq

K7AR Mobile Cluster - Mobile dx cluster, allow filtering for HF and K WE dx spots only, WWV and DX spots search form.

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

Satellite Frequency List - List of satellite frequencies from HT to VHF and UHF

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 Jupiter 538 Repair - Low-pass filter relay and reverse polarity repair notes 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

Ontario Police LIVE Streaming Audio - Live streaming audio of Ontario Police Department. Super clean receive and high quality audio supporting up to 300 listeners.

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.

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

Low-Pass Active Filter Designer - Javascript filter design page with introduction to low pass filters by k7mem

High-Pass Filter Design - Online high pass filter design page with introduction to high-pass filters by K7MEM

Bandpass and I.F. Filters - On this page a popcorn highpass filter, some inductors and their Q , double tuned bandpass filters and simple Cohn Crystal ladder IF filters are presented.

W3LPL Receiving Bandpass Filters - Project of receive only filters optimized for minimal loss and very high rejection of frequencies below 75% of the filter center frequency by K1TTT

High Pass Filters - Understand how high pass filters are done

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.