There's a Nems Clarke FIM on eBay. http://cgi.ebay.com/NEMS-CLARKE-CO-FIELD-INTENSITY-METER-AM-RADIO-STRENGTH_W0QQitemZ7574616873QQcategoryZ73160QQrdZ1QQcmdZViewItem Burt Burt I. Weiner Associates Broadcast Technical Services Glendale, California U.S.A. biwa at earthlink.net K6OQK