Difference between revisions of "GRAPT/RF Validation"

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== Passes ==
 
== Passes ==
 
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Considering a time window of 24h starting at 10:00 UTC on Sat 13 June, there are many potentially useful passes.
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[[Image:NOAA-pass-13jun.png|center|thumb|600px|NOAA passes occuring between 2009/06/13 10:00 – 2009/06/14 10:00 UTC]]
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We only need a few good passes for successful experiment and they should be distributed over time in order to allow debugging and problem fixing between the passes.
  
 
== 2009-06-11 ==
 
== 2009-06-11 ==

Revision as of 14:48, 11 June 2009

GRAPT Overview



This experiment is trivial, nonetheless it validates the RF-part of the setup. It will also reveal whether additional hardware like LNA is required.


Frequencies

Currently, following NOAA satellites are active on 137 MHz APT and 1.7 GHz HRPT:

SAT APT Freq HRPT Freq Notes
NOAA-15 137.5000 MHz 1702.5 MHz VTX-1 / STX-2 / MSB / OMNI=RCP
NOAA-16 OFF 1702.5 MHz — / STX-2 / MSB / LCP
NOAA-17 137.6200 MHz 1698.0 MHz VTX-2 / STX-1 / LSB / RCP
NOAA-18 137.1000 MHz 1707.0 MHz VTX-1 / STX-3 / HSB / RCP
NOAA-19 137.9125 MHz 1698.0 MHz VTX-2 / STX-1 / LSB / RCP

Source: NOAASIS Satellite Status Information


Passes

Considering a time window of 24h starting at 10:00 UTC on Sat 13 June, there are many potentially useful passes.

NOAA passes occuring between 2009/06/13 10:00 – 2009/06/14 10:00 UTC


We only need a few good passes for successful experiment and they should be distributed over time in order to allow debugging and problem fixing between the passes.

2009-06-11

  • Created this page preparing for the experiment to be carried out during the weekend 13-14 Jun 2009.




GRAPT Overview