[time-nuts] 20Hz p-p / 24 hours with a Mini-T

Mike Feher mfeher at eozinc.com
Fri Jan 9 13:00:24 UTC 2009


Mike -

You may want to mention that this requirement is to be met at 30.5 GHz.
Regards - Mike

 
 
Mike B. Feher, N4FS
89 Arnold Blvd.
Howell, NJ, 07731
732-886-5960
 
 
-----Original Message-----
From: time-nuts-bounces at febo.com [mailto:time-nuts-bounces at febo.com] On
Behalf Of Miguel Checa
Sent: Friday, January 09, 2009 1:34 AM
To: time-nuts at febo.com
Subject: [time-nuts] 20Hz p-p / 24 hours with a Mini-T

Hi group!

I need some opinions, counsel, help, whatever you can send my way:

I need to maintain the Mini-T within 20 Hz p-p in a 24 h period. I use 
T=450 and all is well until the thing starts to lose satellites one by 
one and goes into holdover and after a while, the VCO voltage jumps to 
the start value and with it the frequency (up to -150Hz).

The antenna is not in a good place and it can't be moved, but if I 
restart the Mini-T, all satellites that were grayed out come alive and 
strong. Any clues?

Thanks,

Miguel
W4/LU9AXC



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