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Guest Message by DevFuse

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Noise from SWM and Satellite Dish

SWM LNB Direct TV noise

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25 replies to this topic

#21 OFFLINE   P Smith

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Posted 18 March 2014 - 11:18 PM

you should climb there before time when it start noising



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#22 OFFLINE   B Newt

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Posted 18 March 2014 - 11:24 PM

Might be something inside the arm that holds the lnb to the dish?


HR20-100 s/w version 0x192
au9 dish NO multiswitch or diplexers.
Internet connection via WIFI.


#23 OFFLINE   P Smith

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Posted 18 March 2014 - 11:47 PM

Might be something inside the arm that holds the lnb to the dish?

rattling snake inside ! :eek2:



#24 OFFLINE   inkahauts

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Posted 19 March 2014 - 04:16 AM

Got a smart phone? Record it with sound and video. Seriously. I'm curios what it sounds like. I almost wonder if it's catching noise from something else In The distance. Id like to hear the sound.

#25 OFFLINE   slice1900

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Posted 19 March 2014 - 12:38 PM

Got a smart phone? Record it with sound and video. Seriously. I'm curios what it sounds like. I almost wonder if it's catching noise from something else In The distance. Id like to hear the sound.

 

I thought about the fact that the dish is essentially a parabolic reflector, and one that's large enough to pull in small sounds pretty well, but he'd only hear such a reflected sound when standing in one specific spot.


Edited by slice1900, 19 March 2014 - 12:38 PM.

SL5, PI-6S, SA-6AL 3xSWM16, 21 H20-100, 1 H20-600, 7 H24-700/AM21


#26 OFFLINE   P Smith

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Posted 19 March 2014 - 01:04 PM

I thought about the fact that the dish is essentially a parabolic reflector, and one that's large enough to pull in small sounds pretty well, but he'd only hear such a reflected sound when standing in one specific spot.

Oh ! that would be against law of physics - just find local focal point for the antenna ... it's LNBF; now draw outbound energy [sound's wave for the sake] - to which direction these would go ? not counting size of sound's wave and the reflector size ...

 

it would be out of common knowledge too :)


Edited by P Smith, 19 March 2014 - 01:05 PM.






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