Features antenna calculations, propagation, grid conversion, capacitor codes, resistor calculators, weblogs, and online testing.

Information for SSB and ESSB audio transmitter, receiver and Recording/Playback for Amateur Radio.

Located in south-western Sweden. Specialists in towers and antennas. Information and FAQs, bands, and addresses to resellers in various countries.

Amateur Radio Repeater Linking IRLP

Tips on rebuilding, repairing, and applying modifications to the Yaesu FL-7000 amplifier.

A very hard-to-find modification for the Icom IC-245. Shows how to modify the radio for both LSB and USB.

Small, efficient antenna you can build or purchase

Easy to build microwave test equipment for 10Ghz and above.

A detachable antenna that doubles radio reception for hand-held radios.

Robert Anding, AA5OY, offers construction tips for PIC ID'er and Ham circuits. Schematics and other details presented.