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Orange County Sheriff Live Audio Feed at radioreference. Florida USA

Stream your radio audio output with free version on unreal media server. Support live audio and video broadcasting via internet

A low-level voltage meter and could even be used for audio purposes.

About numbers stations, and their criptic transmissions, where to listen to them and some audio recording samples by fascinating shortwaves

EME operation news, typical moonbounce audio recordings

RemAud is a Voice over IP (VoIP) application primarily designed for two-way amateur radio remote control over the Internet. RemAud uses streaming-audio technology in a client-server architecture. It features high radio sound quality, low latency, low bandwidth and very low CPU usage by DF3CB

A comprehensive collection of DX information consisting of news, audio files, station profiles, equipment articles, discussion forum, DXpedition reports and logs for mediumwave, shortwave and FM DXers.

Mclennan County Sheriff and Fire, Waco and Area Police and Fire, listen to live police audio feed

A page about fascinating Very Low Frequency and natural radio, with lots of streaming audio links from remote receivers. Some experimental stereo pairs around the world.

Large collection of audio clips of foreign radio stations, with identification announcements in various languages, signature tunes and jingles, and of course interval signals.

Spek helps to analyse your audio files by showing their spectrogram. Spek supports all popular lossy and lossless audio file formats. Spek is free software available for Unix, Windows and Mac OS X.

Sioux City Tri-State Area Fire/EMS, Sheriff, Police and Highway Patrol Live Audio Feed. Listen Sioux City IOWA live scanner

Have you ever wanted to listen in on a serious SO2R DX contest effort? hear what the low bands sound like from New England? enjoy a contest without having access to a radio? This is your chance!

LAPD - Wilshire and Olympic Divisions Live Audio Feed using a Uniden 396T radio scanner

The page provides a utility to record QSOs for amateur radio operators, allowing them to send the recorded signal back to the other station. It addresses challenges with VOX capability in radios and offers solutions for different radio models.

SFFMA 147.000 Repeater audio By KG4LXH

Morse Pilup Audio tapes available also in Real Audio format.

JaRec is a multi-platform Java application which can be used to control your own CAT enabled transceiver (with support for audio) using a Serial/USB Serial/Bluetooth or network connection. jAReC can act as both a server and as a client. The PocketRxTx Android application can be used as a client securely to connect over the network and control (CAT) your radio transceiver remotely via jAReC server over the Internet or local LAN, with bi-directional audio support.

10GHz Rainscatter audio files

The RadioReference.com Forum topic about VX-8R and audio setting

Design Guidelines for Bipolar Transistor Audio Preamplifier Circuits By Mike Martell N1HFX

HM-151 microphone shipped with the IC-7000 has inadequate audio output level

Generic PI4 + CW + Carrier Arduino Beacon Controller with interfacing to Analog Devices AD9833 DDS AD9850 DDS, AD9851 DDS, AD9912 DDS , AD9913 DDS, ADF4350 and ADF4351 synthesizers, ADF5355 synthesizer, ADF5356 synthesizer, Radio modulated by an audio soft-DDS Reverse DDS, RDDS microwave unit, Silicon Labs Si5351A programmable clock generator, Silicon Labs Si570 programmable XO/VCXO, Texas Instruments LMX2541 synthesizer

Listen online to NYPD Special Operations Division live radio audio feed.

Welcome to scannewbedford.com. This site was built for people who would like to hear a live broadcast of New Bedford Massachusetts public services. There are also a few frequencies from other local towns such as Dartmouth, and Fairhaven being broadcasted on our live audio feed. The web site is free for everyone to use and pass along to another friend. Thank you and enjoy the Scan New Bedford Live Scanner Audio Broadcast of New Bedford`s Police, Fire, and EMS.

Gritty it is a Freeware RTTY decoder for Windows XP/7/8, it decodes a single signal in the 3-kHz audio coming from the transceiver via a soundcard, just like any other RTTY program.

Information and digital audio samples of various modem modulation types

Design guidelines for Op Amp audio preamplifier circuits by Mike Martell N1HFX

Frequencies, links for scanners, email lists, online audio and more for Maryland, DC, and parts of Delaware and Virginia

Audio and waterfall images of some sounds found on the RF spectrum

A re-usable control & computing platform for antenna measurement, PSK31 digital modems, audio filtering, signal source & VFO, memory keyer by AMQRP

Operating on 160 meters from a city lot is always a challenge. Here's how K9YC does it.

Minimal interface circuits for receiver and transmitter audio, also for PSK31

This online guide details the microphone pinout for the Kenwood TR-7950 transceiver, specifically addressing the wiring configuration for a dynamic mobile microphone with a **500 Ohm** impedance. It provides a pin-by-pin breakdown for the 6-pin microphone connector, identifying the function of each active pin. The resource specifies that Pin #1 is for the microphone audio (white wire), Pin #2 controls the _PTT_ (black wire), Pin #3 activates the memory down function (blue wire), and Pin #4 controls the memory up function (red wire). Pin #6 is designated as the ground connection, while Pin #5 remains unused in this configuration. The document focuses on the physical wiring necessary to restore microphone functionality to the Kenwood TR-7950, a transceiver capable of **45 watts** output on the _2m band_. It directly addresses the technical challenge of re-establishing correct electrical connections after microphone wires have been disconnected from the connector. The information facilitates proper microphone operation for simplex QSOs and other voice communications. DXZone Focus: Online Guide | Microphone Pinout | Kenwood TR-7950 | PTT Wiring

Real audio sounds clips

ARRL Audio News contains highlights taken from the League's weekly publication, The ARRL Letter. ARRL Audio News is available via internet in mp3.

LIVE 911 audio of the Chicago Fire Department North & South channels.

Shure incorporated, microphones and audio electronics

Need to interface both a TNC and the computer soundcard? This is a ICOM 756PRO ACC1 audio/keying/FSK interface by WA0SXV

Live audio feed from Denver Colorado Police

This circuit consists of microphone amplifier and a high pass filter. Suitable to improve signal readability.

Live streaming audio of the K7ICU repeater

Here are a few links to CW practice audio files at various speeds. Includes words and group of call-signs

Manufacturer of led digital clocks, digital timers, countdown clocks, electronic kits, audio switches, binary clock, telegraph keys, and cool gadgets.

Understanding and solving RF interference problems using ferrite

Germany's International Broadcasting Station with links to numerous pages in multiple languages containing program schedules, and live audio feeds.

Audio setting and improvements for Yaesu FT-2000 by k6jrf

Lage collection of 6 Meters and 2 meters QSOs, recorded in real audio format by OE3MWS

Antique radios and audio sold to collectors and dealers

Shortwave Monitoring Station in Berlin: DX news, HF propagation, greyline, DRM news, QSL gallery, audio recordings and more