[time-nuts] Gamma-ray and jitter

Richard Karlquist richard at karlquist.com
Sun Nov 14 05:08:41 UTC 2010


 FWIW, you will notice that there is a high value resistor shunting
 the crystal in the 10811.  The reason for this is to drain off DC charge
caused
 by cosmic rays hitting the crystal, according to the designers.

 Rick Karlquist
 N6RK

 On Sat 13/11/10 2:48 PM , "iovane at inwind.it"  wrote:

 In the very recent days it has been discovered a previously unknown 
 feature of our galaxy, that is the presence of two giant bubbles 
 which appear to be gamma-ray sources.

 See

 http://www.nasa.gov/mission_pages/GLAST/news/new-structure.html
[1]">http://www.nasa.gov/mission_pages/GLAST/news/new-structure.html

 After reading this, I have revieved some old data of mine, which shoved 
 that the noise in a long term temperature measurement is higher when my 
 observing site is in view of that structure. Now I'm rather 
 convinced that there could be a correlation between my observations and 
 the above mentioned new findings, and I believe that the noise is 
 generated by the measuring setup in response to something 
 linked to the bubbles.

 Hence I'm wondering if that stimulus could also affect the jitter in 
 high performance oscillators. 

 More precisely, I would ask time-nuts whether any sidereal periodicities 
 have ever been noticed in jitter measurements.

 Thanks,
 Antonio I8IOV

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