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Much Better Signal on 101 than 99&103, What to do?

Discussion in 'DIRECTV Installation/MDU Discussion' started by Gocanes, Jun 20, 2013.

  1. Gocanes

    Gocanes AllStar

    77
    1
    Jul 15, 2007
    I had an upgrade done the other day and the installer moved my dish and installed a new LNB. He also installed a SWM-16. I have an HR44 (on it's own SWM leg), HR20, HR21 and D12. All of them show very similar numbers. I am gettting much better readings on 101 and want to know what I can adjust to get similar on 99 and especially 103.

    Here are the readings (for spot beams I am in Miami/Ft. Lauderdale market):

    101:

    1-8 98 100 97 0 97 100 97 100
    9-16 97 100 97 100 97 100 97 100
    17-24 97 0 97 100 96 100 97 100
    25-32 96 99 95 100 96 100 96 100

    99(c):

    1-8 95 91 93 91 92 87 94 90
    9-16 92 88 93 90 95 91 N/A N/A
    17-24 N/A across
    25-32 N/A across

    99(s):

    1-8 0 0 0 0 0 0 N/A N/A
    9-16 N/A------------------------------ 98 0
    17-24 0 0 0 0 95 96 98 97
    25-32 N/A across

    103(s):

    1-8 0 0 0 0 N/A N/A N/A N/A
    9-16 N/A------------------------------ 62 76
    17-24 0 0 86 82 96 91 70 53
    25-32 N/A acoss

    103(ca):

    1-8 N/A across
    9-16 95 88 95 90 93 86 93 92
    17-24 93 87 95 94 94 88 95 95
    25-32 N/A across

    103(cb):

    1-8 96 94 93 92 94 91 91 91
    9-16 95 90 93 93 94 89 N/A N/A
    17-24 N/A across
    25-32 N/A across

    SWM:

    1-8 100 100 100 100 100 100 96 95
    9-16 96 N/A-----------------------------------

    On other recievers (I measured all this on the HR44) I see one or two of the SWM channels show as 0. I assume this is normal?
     
  2. jimmie57

    jimmie57 Hall Of Fame

    6,402
    293
    Jun 26, 2010
    Texas City, TX
    Don't pay any attention to the 99s and 103s as those are spot beams and always look funky.
    The rest of the numbers look good to me.
     
  3. HarleyD

    HarleyD Hall Of Fame

    1,357
    62
    Aug 31, 2006
    Those numbers look just fine to me.

    Spotbeams are typically on the low side compared to CONUS. Also the HD signals coming out of 99 and 103 are more susceptible to interfernece from rain and cloud cover than the signals coming from the 101 slot. You may see more fluctuation in those numbers as weather conditions change than you would on the 101.
     
  4. Gocanes

    Gocanes AllStar

    77
    1
    Jul 15, 2007
    This is exactly why I want them to be as "solid" as possible when it is clear outside. There was no cloud cover when I did the measurements that I posted. I want to be as protected from rain fade on the HD channels as possible.
     
  5. fleckrj

    fleckrj Icon

    1,546
    136
    Sep 4, 2009
    Cary, NC
    The Miami locals are on 99s transpondors 15, 23, and 24. Your numbers look great for those and for 99c, 103ca and 103cb, so you have nothing to worry about. None of the 103s mean anything to you, and the only transpondors on 99s that are meaningful to you are 15, 23, and 24. The rest of the spot beam transpondors are aimed at different parts of the country, so you would not expect to have high signal strengths for those.

    That said, 99 and 103 are Ka band and 101 is Ku band, 99 and 103 are always going to be more subject to rain fade than 101 is. In your case, it has nothing to do with dish alignment - it is just physics. Ka is a higher frequency range than Ku, and the higher the frequency, the more likely rain fade will be.
     
  6. HarleyD

    HarleyD Hall Of Fame

    1,357
    62
    Aug 31, 2006
    The signal strengths you appear to be concerned about are far from marginal and are nowhere near the threshhold of cutting out.

    In fact I will go as far as to say they are quite good. Not only that, you are seeing signals in the 90s to 100 from every orbital slot. You are about as resistant to rain fade as I believe you are going to get. Variances between transponders on the same bird is normal, as are lower and non-existent signals on spotbeam transponders.

    I'm honestly not sure how much (if any) room for further improvement exists on your signals.

    The OCD in me would like to see nothing bu 100 on all birds, on all transponders. Ain't gonna happen.

    And really a signal that falls into the 70s is still going to look just as good. Digital will work...until it fails. All or nothing.

    If it were me, I'd exit the signal meter and enjoy me some TV.
     
  7. inkahauts

    inkahauts DIRECTV A-Team

    21,534
    958
    Nov 13, 2006
    These numbers don't really mean exactly why you think although I can't think of how to explain it right now. (They aren't flat out signal strength). But you are good as you are. Trying to get an extra 2 to 4 numbers higher will be likely impossible without hurting the signal on another bird. Id smile and be happy with those numbers. And there will be more fluctuation from one transponder to the next on the 99 and. 103 satelites. Nothing can be done to change that.
     

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