[time-nuts] [?? Probable Spam] T-Bolt Companion

Ulrich Bangert df6jb at ulrich-bangert.de
Fri Oct 28 11:10:53 EDT 2011


Antonio,

assumed that you use the built in phase comparator of a FS700 Stanford
Research Loran receiver: I do comparisons like that between the European
Loran C chain (Sylt station in my case) and my Z3805 on a regular base and
frequency differences as low as 2E-13 (for a 120 h comparison) to 6e-14 (for
longer comparisons) are absolutely not un-normal. Gives a good feeling for
how well the Loran's cesium clocks are tuned as well as the ones in the GPS
birds.

73s de Ulrich, DF6JB   

> -----Ursprungliche Nachricht-----
> Von: time-nuts-bounces at febo.com 
> [mailto:time-nuts-bounces at febo.com] Im Auftrag von asmagal at fc.up.pt
> Gesendet: Donnerstag, 27. Oktober 2011 17:01
> An: time-nuts at febo.com
> Betreff: [?? Probable Spam] [time-nuts] T-Bolt Companion
> 
> 
> Hello all!
> 
> I am a "proud owner" o several T-Bolts. The last one is 
> currently showing a comparison with the European LORAN-C 
> chain 6731 (Lessay) sometimes better than 1E-12. Without any 
> external temperature control. I feel therefore very happy. 
> However, I need a good frequency divider/distribution 
> amplifier providing 1MHz, 100kHz, etc. really clean and 
> beautiful buffered signal outputs. Your suggestions would be 
> very much appreciated. Thanks in advance, Antonio CT1TE
> 
> 
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