Radio Shack model 22-504 power supply, regulated, linear, 13.8 VDC at 3 amps continuous. Absolutely mint condition, original owner, bought new a few months ago to build up a couple QRP rigs, now running on batteries. $30 plus $5 to ship. Looks and works perfect, guarenteed. http://www.photogs.org/out/s_ps.jpg --Andrew, NV1B