sig generator

10 elements Yagi for 2 meters - Based on a design by JM1SZY for 50 MHz that he developed using YO

W0KPH EH Antenna tests - Various tests and designs, with photos of home made EH Antennas,simple and networked, and also sone CAN Antennas.

TA Callbook - TA Callbook Turkish Callsign searching engine

Tajikistan EY Callbook - List of callsigns

Belarus EU-EW Callbook - Belarus callsigns

1 X 1 Special Event Calls - A Special Event Call Sign is an amateur station call sign with a one-by-one call sign format that may be reserved for assignment to stations operating in conjunction with these short-term events.

Russian Oblasts and prefixes - Russian callsign prefix series: RAA-RZZ, UAA-UIZ, includs Amateur callsign system in Russia

QRZ.RU Russian HamRadio Server - Free Russian hamradio server special for radiofanats from CIS. Search engine on callsigns, electronic circuits and hamradio programs in www powered with knowledge base.

Scanner feed tutorial - This tutorial is designed to help the average person get his scanner feed on the net pdf file

Valcom Fibreglass Whip Antennas - Manufacturer of Fibreglass Whip Antennas, Low and mediun Frequency, HF and VHF Antennas Specialized in the design and manufacturing of a full range of Beacon (MF), AM Broadcasting 540 - 1700 KHz, HF 1.7 to 30 MHz, VHF 30 to 156 MHz and UHF 200 to 500 MHz antennas.

BitScopes Mixed Signal Oscilloscopes - Robust and affordable PC based mixed signal oscilloscopes for Windows, Linux and Mac. Isolated USB or networked connection to one or more PCs. Data acquisition, waveform generation and multi-user options available.

Amateur Radio Astronomy - A radio-telescope project observing the natural radio emissions of neutral hydrogen atoms throughout space.

The Very Small Array (VSA) - in Tenerife (Canary Islands). Designed to study fluctuations in the Cosmic Microwave Background (CMB) thought to originate from the period immediately following the big bang. Operated by Cambridge and Manchester Universities (UK).

F4DAY technical website - ATV and high speed data signalling projects

G4CCH EME 1296Mhz - News of latest radio activity, initial contacts list, recordings of EME signals, information about station, and overview of latest projects.

K1UHF Del - VHF an above weak siganl site

VHF+ Weak Signal Site of VE2PIJ - VHF+ Weak Signal Site

AA Woodcrafts - Amateur radio call sign displays precision cut in wood. Being 18mm thick they are designed to stand on a desk or shelf.

Antenna Log Periodic Design - Log periodic antenna design excel sheet file download, in italian.

Magnetic Loop Designer - Magnetic Loop Antenna Design software by DK1NB

WSJT High Speed Meteorscatter - "Software uses four-tone frequency-shift keying for meteor scatter. WSJT stands for ""Weak Signal communications, by K1JT"", and plans call for the program to include more than one communication mode."

EchoFilter - EchoFilter uses the soundcard of a PC to process income audio signals in real-time. The narrow filter bandwidth allow the extraction signals and sounds from the audio signal that may normally be close to inaudible. It is intended for radio HAMS, hobbyists, researchers, scientists and students in the DSP field.

Beam Aim - Draws a world map centered on your QTH. Type in a DX station's call sign to get the beam aim azimuth and distance to the station.

IZ8BLY Stream - Stream is a software that implements MFSK16 and MFSK8 modes designed by me and Murray Greenman ZL1BPU. It also offers a series of experimental modes based on FEC, interleaving and several modulation techniques (PSK, QPSK, MSK).

Monteria - International Commercial supplier of HF, VHF and UHF signals analysis and receiver control hardware and software