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SixtoReport: D10/D12 Satellite Info in Post#1 - Both D10 & D12 in service

Discussion in 'DIRECTV General Discussion' started by Sixto, May 7, 2010.

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  1. May 12, 2010 #301 of 1252
    tyrok3k

    tyrok3k Legend

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    I can only imagine what insurance would cost for a $300 million satellite.
     
  2. May 12, 2010 #302 of 1252
    LameLefty

    LameLefty I used to be a rocket scientist

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    You believe what you want. I'll believe what I know. :)
     
  3. May 12, 2010 #303 of 1252
    JoeTheDragon

    JoeTheDragon Hall Of Fame

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    I want MY50 as well and CLTV HD
     
  4. May 12, 2010 #304 of 1252
    jdspencer

    jdspencer Hall Of Fame

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    So, just how do they make this swap over to D12 from D10? Since D10 is still at 103, I surmise that they have to move channels from D10 to D12 using equivalent TPs and then turn off the TP on D10. This would be a sequential process going through all TPs (probably at night so as to not disrupt service). And once complete they can move D10 to its testing spot at 106. In the meantime they light up the new HD on D12.

    This is just my simple thoughts on a very complex situation. :D

    Detailed info is welcome. :)
     
  5. May 12, 2010 #305 of 1252
    harsh

    harsh Beware the Attack Basset

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    Does anyone know how much of this "corrective action" would require some sort of FCC grant?

    I'm thinking that there would need to be an STA to move D10 out and back and nothing more.

    I would think that the various LIL channel transitions could pretty much be handled at DIRECTV's discretion (perhaps by flash cutting between birds) but they wouldn't bother with a complete CONUS transition without a grant.
     
  6. May 12, 2010 #306 of 1252
    Sixto

    Sixto Well-Known Member

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    The recent FCC filing referenced another STA coming for "the procedure".
     
  7. May 12, 2010 #307 of 1252
    evan_s

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    It's 102.6 not 106 =)

    I believe that in the past they first get the channel up and running in both locations and then change the mapping information so that everyone is looking at the new location and once they are satisfied that everything is working correctly they turn off the old one.
     
  8. May 12, 2010 #308 of 1252
    LilMountain

    LilMountain Cool Member

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    Alan -Thanks for the additional information. I did download the excel transponder file and pulled out D10 transponders.

    I posted all locations for transponders 17 18 and 21 to my copy to see why my signal levels were that high. Mystery solved. Transponders 17 & 18 split the Memphis stations and 21 includes some New Orleans stations. Checking the projected D12 footprints for both cities showed excellent reception for those spot beams.

    I did capture a local map library of the 50 projected D12 beams. If there is an actual set available after all settles out, it might be interesting to compare to the set.

    I guess the old adage about believing nothing you read and only 1/2 of what you see still holds true.
     
  9. May 12, 2010 #309 of 1252
    doctor j

    doctor j Hall Of Fame DBSTalk Club

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    These are more than projected. They are absolute gain curves taken from the FCC application and thus I believe quite firm.

    Data points taken and projected onto a Google Earth shell.
    Fairly impressive work done by spears61!

    Doctor j
     
  10. May 12, 2010 #310 of 1252
    jdspencer

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    Close enough for gov't work! :D
     
  11. May 12, 2010 #311 of 1252
    cartrivision

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    I didn't post anything based on belief. If you would care participate in an intelligent discussion about anything that I posted based on what you believe, or what you know, or what you believe you know, I'd be happy to listen and learn, but the above response is of little use to me or anyone else looking to understand more about this subject.
     
  12. May 12, 2010 #312 of 1252
    LilMountain

    LilMountain Cool Member

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    doctor j - I picked up "projected" from the satbeam.com beam titles and I guess thinking about the D10 spot beam problems assumed that the actual footprints after all is finished could vary from the initial design values. But, you are right. The Spears61 work is really great.
     
  13. May 12, 2010 #313 of 1252
    Sixto

    Sixto Well-Known Member

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    D10 FCC Move Approved (5/12/2010).
     
  14. May 12, 2010 #314 of 1252
    trdrjeff

    trdrjeff Icon

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    :goodjob:
     
  15. May 12, 2010 #315 of 1252
    Doug Brott

    Doug Brott Lifetime Achiever DBSTalk Club

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    Wait! I'm still using it! :p
     
  16. May 12, 2010 #316 of 1252
    James Long

    James Long Ready for Uplink! Staff Member Super Moderator DBSTalk Club

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    Cool.

    Have they filed the STA for the amelioration yet?
     
  17. May 12, 2010 #317 of 1252
    Sixto

    Sixto Well-Known Member

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    Nope, but everyone here will be the first to know. :)
     
  18. May 12, 2010 #318 of 1252
    Hutchinshouse

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    Are we looking at a few weeks to fix D10 or a few months?
     
  19. May 12, 2010 #319 of 1252
    harsh

    harsh Beware the Attack Basset

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    [strike]The grant that Sixto mentioned above is the drift grant that they needed.[/strike]
    The application mentioned discontinuing commercial service on D10 prior to the drift so I'm a little surprised by this description. Maybe "operations" in this case means TT&C?
     
  20. May 12, 2010 #320 of 1252
    CTJon

    CTJon Godfather

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    Although I have a lot of faith in DirecTV, I sure hope they aren't screwing around and screw something up on 5/23 when the last LOST is being broadcast.
     
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