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DIRECTV Satellite Discussion D-14 @99W

Discussion in 'DIRECTV General Discussion' started by Sixto, Jun 17, 2010.

  1. May 21, 2012 #521 of 3078
    inkahauts

    inkahauts Well-Known Member

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    So are you saying the spots with three tpns are the ones pointed at puerto Rico and Hawaii? Or are they probably so they can be pointed at the areas with the largest number of channels, or maybe simply the biggest dmas that may carry more channels overall because they are so spread out, like say Utah?
     
  2. May 21, 2012 #522 of 3078
    inkahauts

    inkahauts Well-Known Member

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    I also have to endear if they aren't going to be using d15 to replace a sat or two at 101. They are getting kind of old up there too I believe. It seems d14 can easily replace d10 and add quite a bit more capacity, knowing its not using spots and that DIRECTV has upgraded their ability to have six channels instead of five per tpn.
     
  3. May 21, 2012 #523 of 3078
    HoTat2

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    You think the "A" and "B" groupings for the spotbeams likely imply only two spotbeam antennas with 22 and 24 beams respectively as opposed to the four used by the Ka B-Band payloads for LiLs on D10, 11, and 12?

    And apparently D14 will receive from only four of the main six uplink sites.

    S1 - LABC
    S2 - Castle Rock
    S3 - SWUF (near Tucson Ariz.)
    S4 - NWUF (Moxee WA.)

    Also, I guess the 46 spots do not include a dedicated Hawaii beam labeled "C01" on a third separate dish perhaps? I see as well that Hawaii has no local spotbeam transponders included in this payload. Only a mirror for the National tps.

    Whereas Puerto Rico appears to have two LiL tps. in addition to a National mirror. One each for two spotbeams assigned to PR. One beam ("B24") carries odd channels and the other ("B23") even.

    I wonder if this is actually three separate, yet redundant sets of 16 transponders for CONUS, HI., and PR all receiving the same National programming uplinked from the LABC ("S1")?
     
  4. May 21, 2012 #524 of 3078
    TheRatPatrol

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    Wouldn't they need to change out LNB's if they did that?
     
  5. May 21, 2012 #525 of 3078
    LameLefty

    LameLefty I used to be a rocket scientist

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    Probably so. More problematically, if they intend to broadcast Ka band to customers they would need to also get FCC approval. Right now, as I understand things, Directv's Ka license only allows them to broadcast from there to their own receiver stations for signal backhauls.
     
  6. May 21, 2012 #526 of 3078
    inkahauts

    inkahauts Well-Known Member

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    Why couldn't they simply make the ka band transponders ku band? We know they have made changes to the frequencies of tpns before they where launched before from what we expected, and we have yet to see any real filings of technical data on d15 yet.

    I was simply speculating that may happen after a successful launch of d14 to orbit and service. If it doesn't make it to orbit and service, then I would see d15 as a replacement to d14... They can wait to set or install tpns till they know if d14 is successful, can't they? Just like they did with d12?
     
  7. May 21, 2012 #527 of 3078
    LameLefty

    LameLefty I used to be a rocket scientist

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    Nope, not really. Every single satellite vehicle is a specific "space station" in FCC terms and requires specific licensing authority to operate. The license for the satellite specifies the RF payload that the satellite is allowed to operate.
     
  8. May 21, 2012 #528 of 3078
    P Smith

    P Smith Mr. FixAnything

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    By law of physics - dimensions of RF guides/tubes are different for Ka and Ku freqs.
     
  9. May 21, 2012 #529 of 3078
    LameLefty

    LameLefty I used to be a rocket scientist

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    Changing physical transponder hardware is the least of the issues. FCC approval is far more important and harder to accomplish.
     
  10. May 23, 2012 #530 of 3078
    Gary Toma

    Gary Toma UNIX DBSTalk Club

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    For those interested, the beam footprints for all 47 D14 Beams are published and available here at DBSTALK at the Tips & Resources Forum, in the Beam Footprint Library thread.

    These are all interactive displays which require that you have the GoogleEarth application. Details are all in the Footprint Library thread.
     
  11. May 24, 2012 #531 of 3078
    doctor j

    doctor j Hall Of Fame DBSTalk Club

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    GREAT WORK!!
    Thanks to spears61 for his expertise in this area.

    Just a shame we have to wait 18 months. I'm so impatient!!

    Doctor j
     
  12. May 24, 2012 #532 of 3078
    HoTat2

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    Yes ... great work indeed;

    Though the Puerto Rico spotbeam assignment is a little confusing with the MS database reading it as if there will be two separate beams "B23" (LHCP or even channels ) and "B24" (RHCP or odd channels).

    And spears61 list which has it as a single SB, "B23LR," to carry both L/RHCP channels on the same beam which like the Hawaii SB "CO1" makes more sense of course than having two overlapping spots for L/RHCP channel sets. But still confusing.
     
  13. May 27, 2012 #533 of 3078
    Carolina

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    Did they skip D13 because they were afraid of bad luck? :lol: I have heard of building that don't have a floor called the 13th floor. They jump the numbers from 12 to 14.
     
  14. May 27, 2012 #534 of 3078
    dpeters11

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    D13 was a replacement for 5, but was cancelled.
     
  15. May 27, 2012 #535 of 3078
    P Smith

    P Smith Mr. FixAnything

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    It was 7th times when the same question asked here, in the thread. :lol:
    First time it was : http://www.dbstalk.com/showthread.php?p=2856312&highlight=d13#post2856312

    Perhaps It should be sticky at top of the thread ?
     
  16. May 27, 2012 #536 of 3078
    inkahauts

    inkahauts Well-Known Member

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    Maybe I wasn't clear. I am saying if d14 is successful, who's to say they don't get approval to and setup d15 to be used at 101 and replace one or more of the aging satelites at that location?n they haven't asked for any authorization for that sat yet have they?
     
  17. May 28, 2012 #537 of 3078
    LameLefty

    LameLefty I used to be a rocket scientist

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    Yeah, they might do that. As far as I recall, there have been no public FCC filings about D15 yet. There was an investor presentation a year or so ago showing the estimated lifespan of the satellite fleet and yeah, there will need to be some vehicles in the pipeline to replace the Ku birds at 101. I suspect, however, they we may not see FCC documents about them until they are well underway. Approval to replace existing satellites in a slot and bandwidth segment for which they already have an operating license is probably pretty pro forma.
     
  18. Jun 3, 2012 #538 of 3078
    Sixto

    Sixto Well-Known Member

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  19. Jun 3, 2012 #539 of 3078
    Davenlr

    Davenlr Geek til I die

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  20. Jun 3, 2012 #540 of 3078
    bjlc

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    do we actually have a launch date time frame? is it this year? or next.. Its been a real long time since we got the last satellite..
     

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