Also Gary Gompf, W7FG has the manual at http://www.w7fg.com for 48 dollars, listed under the R-2174 lable. I have the manual from W7FG and I must say it is an excellent publication. 73 Ray So much to absorb, so little sponge! Ray Colbert, W5XE, OOTC#3618, SOWP#1064M NARTE-NCT2R QRP-ARCI 5784 El Paso,(FAR WEST)TEXAS