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majortom

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Reply with quote  #61 
thanks makitaman,
yeah I looked at satsignature and could tell 12080 was ~ 2 dB stronger than it has been.
Meaning only 3 dB down now from the main NBC muxes, previously was ~ 5 dB down per satsignature.
Tuning the signal on the Primestar 84e Antenna, and sure enough, exactly 2 dB better SNR than I had been reporting.

103w_12080_h_30000.png


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Perfect 10 7.5' mesh Chapparal C/Ku Co-Rotor feed, Norsat 8115 CBAND, Norsat 4106A Ku Thomson Saginaw Actuator, Vbox positioner,
Home Brew Polarotor683 Servo circuit. Openbox S9, Prof7500, v4l-updatelee linux drivers installed.
ricardo's geo-orbit archive: https://web.archive.org/web/20071202191450/http://www.geo-orbit.org:80/sizepgs/tuningp2.html
photoman76

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Reply with quote  #62 
Signal is really weak tonight, (11 pm PDT).
Only 5 dB and no lock on my new 120cm Patriot.
The other NBC muxes are 14.8 dB.

photoman76

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Reply with quote  #63 
Now back up to 10.1 dB and locked again at 11:30 pm PDT.
The signal slowly increased in strength.
majortom

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Reply with quote  #64 
Yeah looks like it is back to being ~ 5 to 6 dB down from the main NBC Muxes.
So guessing it will be back to being problematic for some, based on ur result on a 1.2m
and my result on the primestar antenna (10.4 dB now).



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Perfect 10 7.5' mesh Chapparal C/Ku Co-Rotor feed, Norsat 8115 CBAND, Norsat 4106A Ku Thomson Saginaw Actuator, Vbox positioner,
Home Brew Polarotor683 Servo circuit. Openbox S9, Prof7500, v4l-updatelee linux drivers installed.
ricardo's geo-orbit archive: https://web.archive.org/web/20071202191450/http://www.geo-orbit.org:80/sizepgs/tuningp2.html

photoman76

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Reply with quote  #65 
Now up to 13.2 dB.  I wonder why this mux fluctuates so much?
Arion

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Reply with quote  #66 
Might have something to do with the solar outages and needing to increase the link budget temporarily.  Fact of the matter is as we all know those channels are not meant for the hobbyist and in radio as well as satellite communications the rule of thumb is to use the minimal amount of power with a small 'excess' to account for atmospherics.  The downlinkers are using a lot bigger dishes than we are so they can get away with a lot less power with the transponders.
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10' Tek2000 mesh dish, 36" superjack actuator, Vbox, Titanium LNB, Icecrypt CHD3750 dual tuner STB, 1.2 meter motorized KU band dish.
ki6bu

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Reply with quote  #67 
Fortec Star 1.2m offset - quad output LNBF - a STAB 120 and SF4008.
Quad shield RG6 about 45 feet long.
I'm in Phoenix AZ
It is 1909z and this is what I get:

11760 @ 14.5db
11880 @ 14.2db
11940 @ 14.8db
12079 @ 11.8db

Henry

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Receivers: Octgon SF4008, Kuband-X2 Premium, Cband GEOSat DVR3500, others- LinkBox 9000i, AZBox ultra HD, OpenBox s10, AZBox Elite Dishes: Ku FortecStar 120cm, C Paraclipse Eclipse 8.5 foot mesh
Captain_Kurtz

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Reply with quote  #68 
Maybe they turn down the power on the NC transponder when they temporarily need power for other transponders, e.g. SNF, then turn it back up afterwards.
majortom

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Reply with quote  #69 
see no difference here or on satsignature.
same 10.4 dB as the other day. Likin the sunoutage theory..

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Perfect 10 7.5' mesh Chapparal C/Ku Co-Rotor feed, Norsat 8115 CBAND, Norsat 4106A Ku Thomson Saginaw Actuator, Vbox positioner,
Home Brew Polarotor683 Servo circuit. Openbox S9, Prof7500, v4l-updatelee linux drivers installed.
ricardo's geo-orbit archive: https://web.archive.org/web/20071202191450/http://www.geo-orbit.org:80/sizepgs/tuningp2.html
Pops

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Reply with quote  #70 
I like Captain Kurtz's theory.  Don't think solar outages are the reason since this thread has been going for many months and solar outages last about 10 minutes a day for less than 2-weeks.  Fall outages are basically done for US and Canada.  
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Hockeynut

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Reply with quote  #71 
 11760 Here in NC.  1.2 Ch Master polar mount using Invacom qph-031.   15.5 db`s



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1.2 Ch Masters parked at 91,103.
1.2 Ch Master with factory polar mount tracking from-58w-127w -Western Ku Dish.
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LIT_TVRO

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Reply with quote  #72 
Anyone else seeing a drop in signal for these? 

I'm bouncing around 9.5db now and can't lock anything for the past several days. On 11880 13.3 db and no problems. 

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Azbox Ultra, Prof 8000 & Linksat 9000 Local all lost in the Great Goldendoodle Arson Incident of 2016,  Icecrypt s3750CHD is the first step back!
mrbud

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Reply with quote  #73 
booming signals here in upstate sc
at 10am est....
nc1 - 8 channels really strong
several cowboy path feeds up along with others..
signals are as strong as i've ever seen it...


bud

LIT_TVRO

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Reply with quote  #74 
Thanks Bud, Looks like it is time to get the ladder out and do some dish tweaking!  I appreciate the response.
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Azbox Ultra, Prof 8000 & Linksat 9000 Local all lost in the Great Goldendoodle Arson Incident of 2016,  Icecrypt s3750CHD is the first step back!
mrbud

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Reply with quote  #75 
Quote:
Originally Posted by LIT_TVRO
Thanks Bud, Looks like it is time to get the ladder out and do some dish tweaking!  I appreciate the response.
..

no problem sir...just happened to see your post and took a peek..

i was rather pleased with what i found...

i'm using a channel master 90m-1 dish..
measures 39 inches tall and 36 inches wide...

the lnb is an old norsat ku....it was on the dish when i found
it years ago....

good luck tuning

bud
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