altai signal generators

2 Meter Vertical Mobile Antenna - Mobile vertical antenna for 144 MHz suitable for satellite signals reception by K5OE

EWE Antenna Info - Posting in the AM list of the National Radio Club, concerning an antenna called a "EWE" used for listening to distant radio signal reception.

How To Make A VO-52 SAT QSO Video - Using a home made 10 element 435 & IO Loop for 145MHz, with a Yaesu FT-847. Simon - 2E0HTS, adjusts his (uplink) transmitted signal to correct the doppler of the Received (downlink) frequency.

Military Portable Auxiliary Power Units - Design, build and supply Military Diesel Operated Tactical generator sets, diesel generator sets, custom generators, auxiliary power units, portable power generators and tactical quiet generators used by the U.S. Navy and Air Force.

ASC Signal - Global manufacturer of Satellite Earth Station, Air Traffic Control Radar Antenna and High Frequency Antenna products for broadcast, government and enterprise satellite communication applications.

1296 by KB2AH - Specialized 1296 Mhz Equipment, Circular Feeds, LNA, power amplifiers, Antenna systems, Test equipments, antenna mounting blocks

Starman Electric - Starman Electric manufactures DataBridge wireless RF modem modules for easy point-to-point wireless data transmission of analog, digital, and serial RS232 UART signals.

Hittite Microwave Corporation - Amplifiers, filters, attenuators, mixers, PLL, switches and frequency dividers, signal generators, power detectors, transimpedance amplifiers, variable gain amplifiers and more

VK2SIX - Six meters web site - Nev vk2six's 6m low signal dxcc and cw home on the web.

Analyzing UHF signals using FFT programs - With spectrum analysis of beacon signals, it's possible to see features relating to various propagation phenomonen.

Magnetospheric ducting as LDE cause - LA3ZA on magnetospheric ducting as an explanation for delayed signals on 3.5 MHz

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

Dynamic range measurements - Comparison of FT-1000D FT-736R FT-817 FT-847 FT-897 IC-765 Orion TS-2000 Spectral purity of a continous carrier, of a SSB and CW signals

Signals - Trio Datacom, Dolectek and Yaesu Vertex Standard cb and ham radio dealer in new zealand

International SWL Registry - Obtain a unique SWL Designator to use on your signal reports and QSL cards. Official certificates also issued.

Digital Oscilloscope and analyzer software - PC based mixed signal digital oscilloscope and analyzer software for BitScope. Runs on Windows, Linux or Mac OSX systems.

WSCGen - Signal generator using the PC soundcard to output continuous tone, CW, SSTV, AO-40 telemetry, and PSK31 test signals with variable AWGN. The program will also output to a RIFF .wav file by AE4JY

Multi-Instrument - Contains a PC sound card based signal generator. It can generate functions, multitones, arbitrary waveforms, burst tones, MLS, DTMF, musical scales, white noise and pink noise, and frequency/amplitude sweep. Fully functional free trial downloadable.

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.

Portable Lightplants and Generators - NS8O portable generators

No More Splatter - Improving your own signal quality by GM3SEK

A Two Meter Duplexer - How to get a cheap-squeaky clean signal, a 2 meter duplexer designed by Leonard WB3AYW

Signal Source for AO40 mode S - Signal source circuit for 2.4 GHz by sv1bsx

Receiver Dynamic Range  ^updated - Receiver dynamic range is the ability of a receiver to receive a weak signal without loss of readability while a strong signal is present.

WSVU_SDR – New SDR for the VHF/UHF - Brand new SDR transceiver with the working title Weak Signal VHF and UHF SDR - WSVU_SDR by G0RUZ and CT1DMK