audio gate

Gates M-5078 restoration - An article on the restoration of a Gates Radio M-5078 Commercial HF AM transmitter by John LeVasseur, W2WDX

QW Telnet DX-Cluster - One of the first DX-Cluster Telnet Clients ever. QWTelnet is a DX-Cluster telnet-programm and SOTAwatch parser with audio alerts, so that you not always have to pay attention to the screen.

Detroit Fire Department Scanner feed - Detroit Fire Department Radio Feed

Waterloo Police Scanner - Live police scanner Region of Waterloo

Memphis Police Radio - Memphis Police and Shelby County Sheriff dispatch

Denver Police Radio - Live audio feed from Denver Colorado Police

Tubes.ru - specialize in trading Russian vacuum tubes used in broadcasting, amateur radio, Hi-Fi audio, meteorology, communication, medical applications and industr

Amplitude Modulation - Amplitude Modulation (AM) is essentially a mixing process where the audio modulating signal is mixed with the radio frequency carrier

Amateur Chirp Project - Amateur projects to investigate radiowave propagation - G3PLX\'s chirp project, ionosonde database, and more

Yaesu FT-1000D AGC Mods - Fixing notice subtle distortion on SSB receive audio on the Yaesu FT-1000D

Voice Keyer for Android - Audio recorder and player for Android. Perfect for Ham Radio (Amateur Radio) operators as a voice keyer for SSB contests or voice beacon.

EvoSpice - A numerical optimizer (solver) for LTSpice IV. Uses a fast evolutionary algorithm. You can use EvoSpice to design high efficiency power supplies, audio filters, low noise RF amplifiers and an endless list of other applications

Integrated Circuit Audio Amplifiers - Circuit designs for IC audio amplifiers by N1HFX

Design Guidelines for JFET Audio Preamplifier Circuits - Design Guidelines for JFET Audio Preamplifier Circuits By Mike Martell N1HFX

Microphone sensivity calculators - Mic online calculator , Microphone Dynamic Range Calculator, Microphone Sensitivity Calculator

Lead Acid Batteries - An interesting article on lead acid batteries by G8MNY

Dummy Load - Build a home made dummy load by G8MNY

Speaker Building - DIY speakers, resources for custom speaker hombrewing

FT290 CW KOX Circuit - This is not actually break-in but just KOX circuit. It can only be used on the CW mode otherwise it keys up the Tx

High AMP Crowbar Protected PSU - A crowbar protected PSU project by G8MNY

12V System Surge protection - A surge protection project by G8MNY

QRP NESCAF Kit - The New England QRP NESCAF Kit Switched Capacitor Audio Filter by N5ESE

Switched Capacitive Audio Filter - NEScaf: A Switched Capacitive Audio Filter

CAT Interface project - CAT & audio interface version 3 by pa5ca

HSMM project using Linksys WRT54G - Create a APRS digipeater and internet gateway using WRT54G