Doug amd all; Check out the article on modifying the RCA DSS dish and feed by W1RIL. Its at http://www.westmountainradio.com/K1UHF/NEWS/news9901.pdf See pages 6-8. Also, don't throw away the guts of the block converter, it can be used as a 10Ghz preamp (with a little rework). 73's Jon, K0FQA