Re: [time-nuts] HP10544a Technical Info needed

2007-02-03 Thread Tom Van Baak \(mobile\)
Since several of you have mentioned the 10811, or how the 10544 differs from the 10811, you will find the original HP Journal article about the 10811 very informative. See pages 20 to 29. http://www.hparchive.com/Journals/Low-Resolution/HPJ-1981-03-Low-Resolution.pdf (4.5 MB)

Re: [time-nuts] HP10544a Technical Info needed

2007-02-02 Thread Tom Van Baak \(mobile\)
Hi Howard, Please find attached a schematic of the 10544, hope it helps in anyway. Wonder where you got that one ;-) http://www.leapsecond.com/museum/10544/ I scanned and posted that in 2001; but didn't check the manual against an actual 10544 oscillator. Should be close enough for a

Re: [time-nuts] Odd request

2007-01-25 Thread Tom Van Baak \(mobile\)
Time-nuts I appreciate the comments regarding horological obsession. Mine started with a desire for an accurate master oscillator for my ham shack (built and use a couple Shera GPSDO's) and has blossomed into a much broader interest in time (Ex tempus, sapientia?) This has led me

Re: [time-nuts] Nifty old GR OCXO?

2007-01-24 Thread Tom Van Baak \(mobile\)
eBay item 150082419799 (Genrad 475-C)--is this some kind of OCXO frequency reference? From the description, it sounds like it might be used to monitor a broadcast transmitter frequency. Be sure and scroll down and check out the wood and foam oven box and the quartz plate resonator. The