[evlatests] Fwd: Ku-band RFI

rperley rperley at nrao.edu
Sat Aug 7 13:19:42 EDT 2021


Oops -- all the numbers listed in the prior report are low by 640 MHz.

The correct values are below:

-------- Original Message --------
Subject: [evlatests] Ku-band RFI
Date: 2021-08-07 13:13
 From: rperley via evlatests <evlatests at listmgr.nrao.edu>
To: evlatests at nrao.edu
Reply-To: rperley <rperley at nrao.edu>

Interesting RFI is seen at the high end of Ku-band -- certainly not new, 
but may be worth noting again.

Eight bands, each 32 MHz wide, centered at:
17326, 17366, 17406, 17446, 17528, 17568 17608 and 17648 MHz.

Note these are two blocks, each with four equally-spaced band of 
separation 40 MHz

Almost certainly associated with geosynchronous satellites.

It would be interesting to know what these are.

Rick

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