hf receiver

K8CU Log Periodic Antenna - Plans, photos, electrical and mechanical design for this HF Log periodic antenna.

Contest Assist Priority listing - VHF & Up Software management, Station Log and maps, in English

DL1IAO Stefan - HF Radio Contesting and personal information: Latest scores, station tour, DL contest records and large photo section, maps and software

Italian VHF Beacons - Beacon list mantained by I5WBE

Insermatic - Communication service company, offers VHF UHF installations for commercial use, based in Spain,

F9HS VHF EME - My hamradio activity : very high frequency communications using the moon as a passive reflector.

EI8IC's HF Contest Resource Site - This HF contesting resource site has a large range of articles, tips and techniques, contest writeups, bandplans, links, and a fine range of Ham maps.

EI5FK's VHF Ham Radio Website - Irish ham and Vhf radio info. Logs and maps worked, no excuses, this is mainly a VHF site

Scout Telecomunicazioni - VHF, UHF, CB antennas for marine, mobile, base, remote radio monitoring and control system

Symek - Packet-Radio-Controller for amateur radio, CB and commercial applications. Data radios (transceivers), receivers and transmitters for high speed data communication Assemblies for satellite ground stations, special receivers and transmitters.

NovexComm - Rack Mounts for ham radio transceivers and receivers

ON7VZ Daniel - VHF, 50 MHz contest, gallery and six meters infos

6mt.com Six Meters World Wide - Devoted to 6 meters and consist of The Six Club and technical files for vhf through microwave

RSGB HF Committee - LF Band activities section

49MHz Hobbyists Site - A website and email reflector for hobbyists in the unlicensed 49MHz low-power band.

G7ORR VHF DX and Contest pages - The G7ORR and GW7ORR VHF DX and contest website.

OK1JKT Karel - Information about traffic on SHF, 10GHz band

Ken's N. Alabama Scanner Radio Frequencies - Gadsden Alabama area frequencies including MILCOM UHF listings.

TCalc - TCalc+ analyses the Noise and intermodulation performance of radio receiver front-ends.

SeaTTY RTTY/NAVTEX decoder - Program to receive weather reports and navigational warnings transmitted on longwave and shortwave bands in RTTY and NAVTEX modes. None additional hardware is required - your need only receiver and computer with a sound card.

VOACAP - Point to Point hf ionospheric communications analysis and prediction program

Simplex - SIMPLEX is a free windows program which transforms any transceiver into an audio repeater. It works on HF, VHF, UHF etc with SSB, CW, FM, packet, SSTV and every modulation mode.

SRL QuickSilver QS1R VERB - The QS1R VERB is the most advanced open source digital down conversion (DDC) receiver board on the market. It features a Linear Technologies LTC2208 16 bit, 130 MSPS Analog Digital Converter (ADC) and an Altera EP3C16 Cyclone III FPGA. Connectivity to the PC is through a high speed USB 2.0 interface. QS1R covers 15 kHz through 55 MHz in its standard configuration and can be used in undersampling applications to 300+ MHz.

Quokka's Sawtron Museum - Information on Sawtron Kyodo VHF & UHF radio transceivers

K8CU Technical Topics - Well documented Amateur Radio HF/VHF antenna projects, high power Russian GS35B RF amplifiers, mobile RFI solutions, related accessories, vintage radios, Six meter equipment, and useful techniques by K8CU are inside.