> Anyone could provide me any good source in US to buy a few spare parts for > my Birds Wattmeters (appart of RF parts)?... Try Tim, NM3E. I recently purchased a Bird dual Thruline section and metering panel from him and had a good experience. Another source is Dan, W7RF http://www.nm3e.com/ http://www.radiodan.com/bird/index.htm Paul, W9AC