if anyone is looking for a 5370, there is one on ebay that is currently listed for $29+shipping... http://www.ebay.com/itm/HP-Agilent-5370A-Universal-Time-Interval-Counter-/160714650831?pt=LH_DefaultDomain_0&hash=item256b56f4cf No financial interest, but that's a lot less than I paid for mine! ;) Probably worth it for the ocxo! Bob