phone traking

Echo Horn Antenna at Nasa Images - The Horn reflector antenna at Bell Telephone Laboratories

80 meter half wave wire antenna - How to build a no tuner 80 meter, half wave wire antenna that takes full advantage of the phone portion of the band known as 75 meters.

ON5CFT Morse club - Club Francophone Télégraphiste Station Officielle - ON5CFT Belgium

W2ENY - Radio Accessories - Handcrafted Accessories for the shack by W2ENY includes Full range headphones with a mic, computer interfaces, mic ptt adapters

K-Y Filter Company - Modem Telephone Super Filters For HF and AM Radio Interference.

Wolphi-Link Android Smart phone to FT-817 857 897 interface Priority listing - Wolphi-Link is an Android Smartphone to Ham Radio interface. Wolphi-Link works with DroidSSTV, DroidPSK, DroidRTTY and Morse Decoder. It will work with radios which don't have a VOX.

AM Phone Operating and Activities - ARRL page dedicated to AM operations

RFinder Worldwide Repeater Directory - The only worldwide amateur radio repeater directory. Supports Android, iPhone, web, RT Systems, CHIRP GPS enabled. AvMap, Garmin, TomTom

IC7000 HM151 Microphone Audio Mod - Modify IC 7000 handheld microphone HM 151

ARC electronics - Communications solutions for Business, Utility and Industrial applications including data phones wireless RF

DroidNavtex - DroidNavtex is able to decode NAVTEX messages from your receiver through the Android phone or tablets microphone or through a connected interface.

PocketPacket Mac OS - PocketPacket started as an APRS client for iPhone/iPod Touch/iPad devices, but is also available for the Mac desktop or laptop. PocketPacket incorporates a software-based TNC, allowing you to directly capture and visualize, or encode and transmit 1200 baud packets (AFSK modulation) using a VHF radio transceiver.

iPad iPhone HF Weather Fax Decoder App - HF Weather Fax lets you receive marine weather radiofascimile transmissions on your iPad, iPhone and iPod Touch. Just connect it to a shortwave radio tune in a weather fax frequency, and watch the images come in.

Radio police scanner app - iPhone Radio police scanner app

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

Yaesu DSP Settings and Pin Connections - Yaesu DSP audio settings for Heil Sound headphones

PC Headset On Yaesu FT-857D - Connect a computer headset with a boom microphone to the Yaesu FT-857D by K1DNR.

Headset Adapter and Footswitch - This project fills the need for a 706 mic/headphone/PTT adapter.

Dynamic Microphone with Icom Radios - Fitting a Dynamic Microphone to an Icom HF radio and some other radios too!

Yaesu Microphone Pin Outs - Vertex Standard, Yaesu mic pin outs for: FT-90, FT-100D (1990s), FT-2600, FT-3000, FT-7100, FT-8100.

Electro Voice 664 Wiring - Electro-Voice Model 664 (EV 664) cardioid microphone, wiring diagram, pictures and data sheet

Icom DSP Settings and Pin Connections - ICOM audio DSP settings and pin connections for heil sound headphones

Kenwood DSP Settings and pin connections - Kenwood radios audio DSP settings for Heil Sound headphones

Amateur Radio - Microphone Preamp - Low signal, noise-high AC gain preamplifier

Android Oscilloscope - Run an oscilloscope under your Android phone