On 3/4/2011 6:34 PM, Roger Kolakowski wrote:
A SDR is a Software defined radio that uses your computer to do all the things that are not RF dertermined...very expensive
a downconverter or converter is a simple front end that receives the signal on 435 or 145 mhz and converts it to usually 10 meters where you feed it into your existing radio...relatively cheap
Homemade
homepage.eircom.net/~ei9gq/*vhf*_conv.html
Commercial
http://forums.qrz.com/showthread.php?285840-VHF-UHF-Satellite-Equipment
has this for example: Microwave Modules MMC 435-28 Receiving converter. 435Mhz to hf 28mhz down converter for satellite work. Still in the original packaging. It has never been opened or installed. Asking $125.00 and will ship by USPS priority mail
Roger WA1KAT
Kevin Deane wrote:
I have a Yaesu 857 but can not afford another allbander, so I thought I could just build a little receiver, cant be that hard.
Dunno what an sdr is or a downconverter?