Martin - The mod "Improved AGC for the R-4C", was published in CQ Magazine, Mar 1980, pp 44-46. 73, Garey - K4OAH Atlanta At 04:46 AM 1/8/2003, Martin Sole wrote: >Second question. Does anybody know what the W3RJ AGC mod is, or was. >I've seen it mentioned a couple of times but can find no details on it, >is it worthy? > >Martin, HS0ZED >Bangkok