My OMNI VO has dual receive; 50 ohm splitter and an R4C. Put the 50 ohm splitter in the line from the T-R board to the receive input. It works VERY well. 73, Mike Cizek W3MC w3mc@toad.net -- FAQ on WWW: http://www.contesting.com/tentecfaq.htm Submissions: tentec@contesting.com Administrative requests: tentec-REQUEST@contesting.com Problems: owner-tentec@contesting.com Search: http://www.contesting.com/km9p/search.htm