Hi Pete, > http://www.flickr.com/photos/24004042@N03/4165122541/ This looks a bit like a coax for the hybrid d-sub connectors. (As used for RF in the connector for FRS-C/PRS10-rubidiums. And ofcause old Sun SS-video connector.) http://www.amphenol-online.com/NavData/Catalogs/TW%20Hybrid%20Dsub.pdf -- Björn