Re: [ldm-users] [External] Re: NOAAPort/SBN Satellite Transition

When we moved our dish yesterday at the College of DuPage, there was no signal 
on 990 MHz, but there was on 1130 MHz.  We realized that the downconversion by 
5150 MHZ means hat it should be on 1130, and sure enough, that’s where we found 
it. It’s a “hotter” signal than the old NOAAport signal by over 3 Dbm…and more 
stable. Now to get data flowing across it…

Gilbert Sebenste
Meteorology Support Analyst
College of DuPage

From: ldm-users <ldm-users-bounces@xxxxxxxxxxxxxxxx> On Behalf Of Mike Zuranski
Sent: Tuesday, February 7, 2023 1:37 PM
To: NOAAPORT <noaaport@xxxxxxxxxxxxxxxx>; LDM <ldm-users@xxxxxxxxxxxxxxxx>
Subject: [External] Re: [ldm-users] NOAAPort/SBN Satellite Transition

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Greetings all,

The NWS has updated their NOAAPort/SBN Transition schedule.  The new dates are 
as follows:

=======================================
12 NOV 2022:   G31 Launch Date
5 FEB 2023:   Dual Illumination Period
17 FEB 2023:   Receive Site Transition Window Start
31 MAR 2023:   Receive Site Transition Window Ends
3 APR 2023:   AWIPS Transition to G31 Complete
=======================================

The SCN also mentions a change to "the RF Frequency."  However, since they took 
down the previous SCN I don't recall what the frequencies were before, so I'm 
not sure which one was changed or what the previous values were.  Here are the 
values listed in the current SCN:

Satellite (G31) specifications/AWIPS
-- RF Frequency: 1130 MHz

Satellite (G31) specifications/NWWS
-- RF Frequency: 990 MHz


For more information here is the full SCN that just came out with this 
information:  
https://www.weather.gov/media/notification/pdf_2023_24/scn22-77_sbn_galaxy31_change_aab.pdf


Best,
-Mike


Mike Zuranski
Data Engineer II
Unidata Program Center
University Corporation for Atmospheric Research


On Tue, Jan 24, 2023 at 3:22 PM Mike Zuranski 
<mzuranski@xxxxxxxx<mailto:mzuranski@xxxxxxxx>> wrote:
Greetings,

The NWS has released additional details of the NOAAPort/SBN transition to a new 
satellite.  All indications continue to show that satellite will be Galaxy-31 
located at 121 degrees West.

Key dates for the timeline:
12 NOV 2022:   G31 Launch Date
 5 FEB 2023:   Dual Illumination Period
10 FEB 2023:   Receive Site Transition Window Start
31 MAR 2023:   Receive Site Transition Window Ends
 3 APR 2023:   AWIPS Transition to G31 Complete

The full Service Change Notice can be found here: 
https://www.weather.gov/media/notification/pdf_2023_24/scn22-77_sbn_galaxy31_change_aaa.pdf

We will continue to relay any and all information regarding this transition as 
it becomes available.

Best,
-Mike


Mike Zuranski
Data Engineer II
Unidata Program Center
University Corporation for Atmospheric Research
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