AMSAT is offering a discounted satellite antenna package to members.
The package consists of two M2 antennas, one for 2m the other for 440, both circularly polarized. Looks like a nice package at a decent price. I’m going get this for the new bachelor pad QTH. If you’re a satellite aficionado and not a member of AMSAT or another organization that launches birds, you should join and support one so we can keep satellites orbiting the globe.
Make has an article on how to turn your Raspberry Pi into a “pirate radio”
. This appears to be done all in software by outputting a high frequency bit stream on a GPIO pin. The software will frequency modulate the carrier and it’s intended mainly to be a short range (i.e. unlicensed FCC Part 15 here in the US) FM broadcast transmitter you can play your tunes through while on the beach. A more technical article
, mentions it has 1 to 250 Mhz capability. This might make a cool little exciter for QRP CW, with appropriate filtering to clean up what undoubtedly has a lot of odd order harmonics.