US amateur presents plans on how to build your own Magnetic Loop antenna.
http://www.standpipe.com/w2bri
Page contains pictures and plans for 2 Meter Loop for use on ssb.
http://www.geocities.com/n4ujw/loop.html
2-Meter transceiver that can be built at home. Plans.
http://www.proaxis.com/~boblark/dsp10.htm
A homebrew project. All PCB image, microcontroller code is uploaded and free for download. It utilize an Atmel microcontroller and LCD panel. Easy for construction.
http://www.geocities.com/cw19kit
made by only 2 FET
http://www.intio.or.jp/jf10zl/430TX.htm
This three transistor 144 MHz transmitter uses a 48 MHz scanner crystal as an oscillator / tripler. A second transistor boosts the signal to 40 milliwatts, a third amplifies the power output to 750 milliwatts.
http://home.att.net/~jleggio/projects/rdf/750mw_tx.htm
Includes a simple CW station, and R1 - R2 DC receivers.
http://www.seboldt.net/k0jd/
http://www.peg.si/electro/transmiter.html