For Kent....Well...I could keep my eyes open for an SDR 33...we occasionally get one in on trade.Most of the Trimble data collectors will output an SD...

Trying to survey in Oregon with that color Instrument?SDR XXShoot...My first SDR was an SDR 2 in 1986....Eventually had a 22, 24, a couple of 33's.......

I'm in....and I did not even know it was here...Stick with me folks...I know all the answers!