signal generator

Pringles WiFi Antenna - DIY Wifi Antenna with a pringles can and extend your wifi signal, also known as cantenna.

Dummy Load Special Antenna - The wire antenna described in this page provides much stronger signal strength while staying within the concept of a dummy load antenna.

SDR Cube - A self-contained and portable SDR Transceiver using a Softrock front end and embedded Digital Signal Processing ... No PC required!

Agilent - Spectrum analyzers - Agilent maker of Oscilloscopes, Analyzers, Meters - Spectrum Analyzer (Signal Analyzer)

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

Decoding multiple Morse code signals - Decoding multiple Morse code signals automatically on a noisy RF band

Tropospheric propagation - Article about tropospheric propagation and the way in which radio signals at VHF and above propagate over greater distances than strictly line of sight in the troposphere

Elecraft K2 Improving CW Filter - Here is a cheap and simple way to significantly improve the K2 CW filter(s). With this mod, even strong signals will fade to black as they tune out of the filter pass band

Handling of extremely strong signals K2 Mod - Makes reception at frequency of strong tx close by possible

QSO Recorder - This utility's purpose is to record a QSO and send it back to the other station to let the other operator hear his/her own signal.

R-20 Signal Capture and Analysis Software - Connect your R-20 Communications Receiver to your computer. Put your listening hobby on your computer desktop.

APT Decoder - APTDecoder is a free software for recording and decoding signals transmitted by NOAA POES APT enabled weather satellites. It is run on a NT-based version of Window

LF Converter - Home made LF converter, listen to signals below 300 KHz

QLF Filter - Microprocessor based interface designed receives a signal from a Morse key, processes it, and re-transmits it to the radio. A microprocessor in the circuit is pre-programmed with a proprietary algorithm which makes a number of measurements and adjustments to the less percise human generated code.

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

Heathkit signal generator - Heathkit signal generator with original paper manual for download

13cm Signal Generator - A 13 CM signal source project by W6PQL

Microwave Marker - Signal marker for the microwave bands

23cm Signal Generator - A 23 signal source project by W6PQL

Weak Signal - Linrad and SDR-IQ - Linrad and SDR-IQ Software Defined Receiver on Shortwave

Signalink USB Interface - Setup notes - Hints and Tips in using the Tigertronics SignalinkUSB External USB Sound Card and Interface

Signalink USB and Yaesu FT-857D - This webpage describe how to set up the Signalink USB interface and Yaesu FT-857D for digital operations by NA4IT

Band Monitor Scope by JF10ZL - A 7 Mhz band monitor scope project that exchanges all existing signals of that timing of 7MHz-band to viewer image like a hill on the oscilloscope by JF10ZL

Universal HAM radio/generator DDS Unit - OM3CPH Universal HAM radio/generator DDS Unit with AD9850 or AD9851

DDS RF Signal Generator Project - S53MV Project - RF Signal Generator