phone gateway

The G8EPR Pye Museum - G8EPR pye telecoms museum incorporating.. emeregency services & radiotelephone museum of great britain

N9GTC Gateway Technical College - Gateway Technical College Amateur Radio Club

VE3VRW Macintosh Satellite Gateway - Listen to the Gateway Live on the internet Amateur Radio Operators in Southern Ontario and Western New York have been using the VE3VRW Satellite Gateway via the Toronto Area SSPBD Repeater System to make contacts on AO-27, UO-14, SO-67, Sunsat, SO-41, SO-50, Echo, Mir and ISS since it was first installed in 1997. MacDoppler tracks the FM UHF/VHF Amateur Radio satellites 24 hours a day, 7 days a week.

RPF Communications - Innovative and fast growing radio communications accessory company in the UK. Station protection, monitoring and control products, Microphone splitters and headsets

A Two-Way Morse Practice Set - The system consists of a pair of Morse practice oscillators connected by a piece of two-conductor cable. Pressing the key on one unit produces a sound in both units by Peter Parker VK3YE -

How to Measure Receiver Sensitivity - Testing an Elecraft K2 sensivity using a signal generator, headphones and an AC Voltmeter

HF Beacon apps - Iphone apps to monitor HF Beacons by N0HOT

IDSP - IDSP is an app for IPHONE and IPOD Touch. Made by 2 powerful filters, a band pass and a band stop with adjustable bandwidth. Filters are butterworth 4 and 8 poles, sample rate at 44,100 32 bit. Cancel every noise and hear only your qso.

IRTTY - IRRTY just a modem based on RTTY protocol for IPHONE and IPOD Touch.

Satellites for Windows Phone 7 - Windows Phone 7 Satellite Tracking and Prediction

Frequency Response Plotter - Draw static response time of an audio system. Originally intended for loudspeakers tests, is also a great tool for looking at microphone equalisation.

Ham for iPhone - Ham is a free iPhone Ham Radio utility. View solar conditions (Solar Flux, Indices, X-Rays, Sunspots and calculated band conditions). View PSKreporter reports and Callsign lookups.

I-PSK31 - Ipsk31 is a modem based on Bpsk31 protocol for ham radio digital transmissions. Can be used on IPhone and Ipod Touch, and let you transmit and receive PSK31 directly from your Apple device.

Friis-It NF for iPhone - Friis-It NF is the first iPhone OS based application that allows you to calculate noise figure, system sensitivity, and cascaded gain for an RF Receiver system

Spectrogram for iPhone - Spectrogram for iPhone displays a live, scrolling display of sound frequency components derived from a 1024 FFT analysis.

Ham Exam Preparation for iPhone Priority listing - Master the ham license exams with Ham Technician, Ham General and Ham Extra! With these iPhone applications, you will take the test with confidence.

BeaconAid-HF - Iphone app for ncdxf IARU beacon monitoring, shows the currently transmitting beacon on each band, reception charts from the active monitoring stations, and latest solar flux A and K indices

iSDR - iSDR is a software defined radio application compatible with the Apple iPhone, iPod touch and iPad™. iSDR is designed for experimenters, shortwave listeners, and amateur radio enthusiasts who would like a truly portable software-defined radio receiver.

SK6AW iPhone DX-Cluster - Android & iPhone DX-Cluster, works well in most browser. Supports iPhone push notifications via pushme.to and E-Mails. Spot filtering and skins available. Very flexible.

Audio Kit for iPhone - Audio Kit is a collection of four iphone applications which are essential for those working in audio and sound. A real time Spectrum Analyser, a Scope to display waveforms, an SPL Meter, and a sine wave Signal Generator.

Headphone amplifier - A headphones splitter box with amplification by Ian White, M0BXR

Mic Pre Ampllifier - A microphone preamplifier schematic for hand-helds by ON6MU

Passive CW headphone filter - This filter is a plug in adapter that has no batteries but gives very good performance by G8MNY

Kenwood TM-201 401 mod - Kenwood TM-201/401 Increased TX Audio, mod for microphone gain

Regenerative receiver for the AM band - Build the Moorabbin, a regenerative receiver for the AM broadcast band by Peter Parker VK3YE