[GMVAtech 65] Fwd: GBT GMVA RX question

Thomas Krichbaum tkrichbaum at mpifr-bonn.mpg.de
Tue Dec 6 08:54:47 CET 2022


Hi Helge,

could you please adress this. Thx Thomas


-------- Weitergeleitete Nachricht --------
Betreff: 	GBT GMVA RX question
Datum: 	Mon, 5 Dec 2022 20:07:55 +0000
Von: 	Pedro Salas <psalas at nrao.edu>
An: 	Thomas Krichbaum <tkrichbaum at mpifr-bonn.mpg.de>



Dear Thomas,


Given the problem we have had with providing accurate system temperature 
for the GBT during GMVA observations, we are considering installing 
noise diodes on the W-band RX the GBT uses for the GMVA observations. 
Before making any changes we want to understand what would be the 
requirements for this change (e.g., how large of a bandwidth should the 
noise diode be stable over). Do you know where I could find this kind of 
information for other GMVA stations, or who could I contact to ask for 
more details.


Thanks a lot for your help,

Pedro Salas
he/him
https://www.gb.nrao.edu/~psalas/


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