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Fall Solar Flares

Discussion in 'DIRECTV HD DVR/Receiver Discussion' started by les108, Oct 2, 2006.

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  1. Oct 2, 2006 #1 of 14
    les108

    les108 Cool Member

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    Is it almost for the annual fall solar flares that cause problems from Sat services.. Arent they normally from like late sept to early to mid october... during the day...
    I am not 100 percent correct on that..
     
  2. Oct 2, 2006 #2 of 14
    RAD

    RAD Well-Known Member

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    Dripping...
    It's not solar flares, it's called Sun Outages. It happens when the sun is directly behind the satellite and the receiving dish, basically the sun interferes with the signal.
     
  3. Oct 2, 2006 #3 of 14
    les108

    les108 Cool Member

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    Ok thanks.arent they normally during the daylight hours????
     
  4. Oct 2, 2006 #4 of 14
    Earl Bonovich

    Earl Bonovich Lifetime Achiever

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    Yes...

    Since the SATs are in Geo-Sync Orbit... they are in the same point in the sky.
    And that would have to be during the daylights hours for a fairly short period of time.
     
  5. Oct 2, 2006 #5 of 14
    GA_SteelersFan

    GA_SteelersFan Cool Member

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    Dumb question unrelated to solar flares as it is at night but similar. Each night between 8 and 8:15 PM EDT, my MPEG4 (Atlanta) channel signal goes out completly. During the day and usually by 8:20 or so, the channels are fine.

    Anyone have any ideas? I would think it has to be environemental as it happens at the same window almost every night.

    I did not have the H20, so I have nothing to go on. All MPEG 2 work fine.
     
  6. Oct 2, 2006 #6 of 14
    Earl Bonovich

    Earl Bonovich Lifetime Achiever

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    There really isn't anything that "should" do this.. .especially on an exact periodic basis.

    However... one thing to check is "possible" local animals...
    Seriously, not kidding... one of the other Mods (Donnie), had signal problems ever night... until he found out an owl was sitting on his dish every night.

    Earl
     
  7. Oct 2, 2006 #7 of 14
    Geronimo

    Geronimo Native American Potentate DBSTalk Gold Club

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    not to split hairs but the normal term is solar conjunction. but youare right falres have nothing to do with it.
     
  8. Oct 2, 2006 #8 of 14
    spolaski

    spolaski Legend

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    Despite the phenonema you guys are talking about, solar flares can screw up sattellite communications. As I recall solar activity peaks on an 11 year schedule, with the last period of high activity in 2002, so we should be safe for awhile. But, if and when we do get a big flare again it will throw a bunch of radiation our way and can potentially even knock satellites offline alltogether.

    (luckily, my tinfoil helmet will save me):D
     
  9. Oct 2, 2006 #9 of 14
    carl6

    carl6 Moderator Staff Member DBSTalk Club

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    I'm sorry, but I really have to ask how the sun being aligned directly behind the satellite could happen anytime other than daylight hours?:grin:

    This situation will be happening throughout the US over roughly the next two weeks. There are a couple of other threads that show a website you can go to to determine when the sun will be in the exact position of a particular satellite, based on your exact location. That can help you determine where on your house or property you could put a dish to see these various satellites. Very handy information.

    Carl
     
  10. litzdog911

    litzdog911 Well-Known Member

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    Mill Creek, WA
  11. MBA

    MBA Mentor

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    Sep 27, 2006
    I've tried this on 2 computers both with WindowsXP,won't run,could somone help.
    Lexington, SC 29072 33.97 N 81.23 W
     
  12. dervari

    dervari Icon

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    I have absolutely no problems with the Atlanta LILs during that time.

    Could be a UFO wanting to watch Survivor intercepting the signal. :lol:
     
  13. litzdog911

    litzdog911 Well-Known Member

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    Mill Creek, WA
    There seems to be a bug with that site's Java applet with certain latitude values. Using "33.9" instead of "33.97" works fine .....

    For the 99-deg Ka-band satellite:
    Satellite is at 209.9-deg Azimuth, 46-deg Elevation
    Sun is at that location on Oct 6 & 7 at 2:34pm EDT

    For the 101-deg "Sat A" satellite:
    Satellite is at 212.8-deg AZ, 45.2-deg EL
    Sun is at that location on Oct 6 & 7 at 2:43pm EDT

    For the 103-deg Ka-band satellite:
    Satellite is at 215.6-deg AZ, 44.2-deg EL
    Sun is at that location on Oct 6 & 7 at 2:52pm EDT

    For the 110-deg "Sat C" satellite:
    Satellite is at 224.6-deg AZ, 40-deg EL
    Sun is at that location on Oct 6 & 7 at 3:23pm EDT

    For the 119-deg "Sat B" satellite:
    Satellite is at 234.3-deg AZ, 33.8-deg EL
    Sun is at that location on Oct 6 & 7 at 4:03pm EDT


    Note: Azimuth values are "true", not magnetic. Also, these dates/times are valid for a few days on either side of the "ideal" dates.
     
  14. MBA

    MBA Mentor

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    Sep 27, 2006
    Thanks! litzdog911, Thanks for taking the time to run those numbers, it'll be interesting to see!!
     
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