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DirecTV National HD Listing/Maps Discussion Thread (Technical - Not Anticipation)

Discussion in 'DIRECTV Programming' started by Sixto, May 29, 2012.

  1. JoeTheDragon

    JoeTheDragon Hall Of Fame

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    but what do you do when the redundant system fails?
     
  2. Carl Spock

    Carl Spock Superfly

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    Switch to Dish?
     
  3. James Long

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

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    That is what the backup is for ... but the concern is valid. I think of the redundancy as being a type of emergency fund - like having $100k in the bank in case anything goes wrong in life. If something goes wrong and that $100k is spent then you're OK, but you might worry about something else going wrong.

    If the "emergency fund" is already spent and one has the rest of a 15 year satellite lifetime to hope nothing else goes wrong it can be a concern ... and perhaps the next satellite may be launched earlier or other plans be made to make sure a second emergency does not create a disaster.
     
  4. georule

    georule Hall Of Fame

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    Start scrambling like hell. But my point was, a redundant system failure is actually much more likely to happen in the short term when you call on it initially to take the load of the primary. That it didn't fail immediately or in the short-term, highly increases the chances that it's life will be as long as you were originally hoping the primary's life to be.
     
  5. banditt76

    banditt76 Godfather

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    DISH doesn't exist anymore as far as I'm concerned. They have gone to total crap lately and I have lost all respect for them, not that I had much to begin with.
     
  6. Carl Spock

    Carl Spock Superfly

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    Joke, meet banditt76.

    Banditt76, meet joke.
     
  7. banditt76

    banditt76 Godfather

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    I know it was a joke. I just still have bitter feelings towards those SOBs and bash them every chance I get. ;)
     
  8. harsh

    harsh Beware the Attack Basset

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    Assuming that both primary and backup systems are essentially identical in terms of design and operating conditions, it doesn't follow that the performance of the backup is necessarily better than that of the primary system.
     
  9. JoeTheDragon

    JoeTheDragon Hall Of Fame

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    only other choice is comcarp. At least they CSN + HD unlike WOW!

    also WOW! does not have NFL network.



    DISH still has that RSN PART TIME HD joke.
     
  10. maartena

    maartena Hall Of Fame

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    I think the reality is that all providers have a "disaster recovery" plan of some sorts. With satellite companies, the actual satellites are the SPOF's, so they must have thought of some sort of backup that they can use in case stuff goes wrong.

    I do believe each satellite (D10/11/12 I am talking about for now) has a number of "dormant" transponders that are strictly there to serve as a backup in case a transponder fails. If a whole satellite fails, they could also use the dormant transponders on other satellites to offload some capacity.

    They could choose to slash PPV in half which would also help a bit. Remember, this would be a "disaster recovery" scenario, and I would think to be able to continue service they could do that for a period of a year or so until they can get D14 rushed through.
     
  11. P Smith

    P Smith Mr. FixAnything

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    Sometimes the info could be found in FCC docs, anyway each sat has spare transponders. But you can't use them additionally, can't expand the number of working/hot tpns - all freqs already covered allowed by FCC grants.
     
  12. maartena

    maartena Hall Of Fame

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    I see. But would it be in the realm of possibilities that when a full satellite gets stolen by aliens, that DirecTV could file some sort of "emergency request" with the FCC to be allowed to use the spare transponders on another satellite?

    (And isn't D10 in the same spot as D12? If D10 fails, couldn't the spare transponders of D12 be used with frequencies previously used by D10?)
     
  13. P Smith

    P Smith Mr. FixAnything

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  14. RAD

    RAD Well-Known Member

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    Dripping...
    Even though there might be a bunch of spares, there is still an issue of the amount of electrical power to run them.
     
  15. P Smith

    P Smith Mr. FixAnything

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    All working/hot tpns are cover by electricity's budget. If solar panel and batteries are normally functioning.
     
  16. RAD

    RAD Well-Known Member

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    Dripping...
    So you're saying that a D12 has enough power to fire up all its spare transponders to help cover from a D10 failure?
     
  17. P Smith

    P Smith Mr. FixAnything

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    I did point out - you CAN'T add spare tpns to working pool - no freq available to do that.

    Also, working ie hot tpns are not spare tpns.
     
  18. HoTat2

    HoTat2 Hall Of Fame

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    What other satellites are there that operate in the 18.3-18.8 GHz, 12.2-12.7 GHz, and 19.7-20.2 GHz range, use circular polarization, and transmit at DBS power levels which could be used as substitutes this way? :nono2:

    D12 has the same spotbeam payload as D10 on the Ka B-Band, but no CONUS transponder capability on that band.

    If D10 were to completely fail I'm afraid its so long to the 14 national transponders comprising 103cb until maybe the launch D15 later in 2014.
     
  19. RAD

    RAD Well-Known Member

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    My response was to the question would the FCC allow D12 to cover the loss of D10. Are you saying that D12s spares can not be used at all in that case?
     
  20. P Smith

    P Smith Mr. FixAnything

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    If it has unknown to us a provision to cover CONUS freqs.
     

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