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Guest Message by DevFuse

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


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6 replies to this topic

#1 OFFLINE   Gocanes

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Posted 20 June 2013 - 09:31 AM

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©:

 

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?

 

 



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#2 OFFLINE   jimmie57

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Posted 20 June 2013 - 09:36 AM

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.


DirecTV customer since 1996 - Current :Slimline 3 SWM,   HR24-100 HDMI to 32" Sharp LED,
HR24-100 Component cables to 46" Samsung LCD & Optical Cable to Yamaha AVR, H21-200 HDMI to Yamaha AVR & HDMI to 52" Mitsubishi LCD


#3 OFFLINE   HarleyD

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Posted 20 June 2013 - 10:26 AM

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.


Edited by HarleyD, 20 June 2013 - 10:27 AM.

"Without deviation from the norm, progress is not possible."
--Frank Zappa

#4 OFFLINE   Gocanes

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Posted 20 June 2013 - 11:01 AM

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.

 

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 OFFLINE   fleckrj

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Posted 20 June 2013 - 11:19 AM

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 OFFLINE   HarleyD

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Posted 20 June 2013 - 12:28 PM

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.

 

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.


"Without deviation from the norm, progress is not possible."
--Frank Zappa

#7 OFFLINE   inkahauts

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Posted 20 June 2013 - 02:37 PM

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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