if filter

Ham Radio Market - A web forum based classified ads service

Tube Collectors Association - Tubes and antique radio buy and sell classified ads

Small Rock Group - SR group by BY 104 SR 001 Patrick

Alfa Tango Sweden - The official AT-site of division Sweden with updated info about activations and members. A must-visit if you want to keep up-to-date about Swedish AT-members and activities!

Pacific IOTA Numbers - IOTA Designation for The Hawaiian Islands

Mountain View Amateur Radio Association MVARA Priority listing - An emergency service provided to the city of Mountain View, California and the surrounding communities in time of need.

Commander Amplifiers  ^pop - HF anf VHF amplifiers made in U.S.A. by Command Technologies, Inc. now acquired by Palstar

QRO Technologies - HF amplifiers manufacturer

California Amplifier - manufacturer of solutions for worldwide wireless broadband communications

Bencher Inc. - Paddles, Keys, Filters, Antennas

Mirage - VHF and VHF amplifiers including repeater rf amplifiers

US Tower - US Tower Corporation will build your special tower to your specifications. We are capable of producing just about anything you need.

Ameritron  ^pop - Manufacturer of amplifiers, antenna switches antenna Tuners, wattmeters and relay buffers, amplifier accessories, antennas and tubes and parts

Linux DStar Development - The life and times of development of a Linux D-Star repeater and dplus node.

Artifax Books - New and used books on telegraphy, key collecting, antique radio and communication-related subjects, as well as vintage telegraph instruments

Heathkit SB-220 and SB-221 essential mod - Modifications to avoid damage when 3-500Z tubes fail.

European weather charts - updated every six hours at about 3,9,15,21 GMT, Isobars, isallobars, isotherms and signifcant weather.

USA weather Image - GIF Image showing USA weather Map

Electronic Service Pros  ^pop - HAM/Broadcast, Modifications & Repair, D-104 mods, TS-830 TS-530 mods

CwGet  ^{updated  pop} Priority listing - A program to decode morse code (CW) via sound card to text. It can work as narrow-band sound DSP-filter also. No additional hardware required — you need only receiver and computer with a sound card. Can integrate with AALog logger.

J-Track - With J-Track you can quickly and easily keep track of your favorite orbiting objects.

600 Watt HF Amplifier  ^pop - Schematics plans by K9GDT and all infos to build a 600 Watt HF Amplifier

QRP Amplifier - HF Bands QRP linear amplifier by SM0VPO

SWR Mega - SWR Power Meter - SWR and RF power meter for home usage, 8 different RF probes with different characteristics and power ranges by OK1DX

DX-302 Communications Receiver - features, Operation and Specifications about Realistic DX 302