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majortom

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Reply with quote  #1 
Post anything about Primestar Antennas / LNBs here.
These antennas come up from time to time, and it's difficult to dig up the same information over and over again in conversations scattered about the forum.  Many of the old Star Choice antennas I think are the same, so fair game there too.

Specifically, in another thread, mrbud was asking about the one Primestar antenna in my yard so I'll start it off with whatever Pics I can dig up.

Not original Primestar or Channel Master documentation, but found some PDFs that look to be a pretty similar antenna from Skyware Global. Probably close enough for sharing information in this thread.

mrbud , some pics I found of my antenna, including the mold stamp on the rear.
Implies it is 1.0m wide x 0.7m high. Probably roughly equivalent to an 84 cm dish, so I think Star
Choice would have referred to that as an 84E up in Canada?

In another older thread I had mentioned that I had obtained one of them "Beercan" LNBFs that Star Choice used on that antenna back in the day. In my experiment I found the reception using the Original LNBF pictured below was a wee bit better than the beercan LNBF. Roughly 0.5 to 1 dB better SNR on the two NBC Feeds at the time. Enough so that I stuck with the Original, and put the beercan LNBF on the shelf.


Attached Images
Click image for larger version - Name: primestar_front.png, Views: 24, Size: 608.24 KB  Click image for larger version - Name: primestar_oem_lnbf_H_V.png, Views: 26, Size: 651.63 KB  Click image for larger version - Name: primestar_1x7.png, Views: 23, Size: 906.82 KB 

 
Attached Files
pdf 84cm-Type-845-RX-Spec.pdf (177.58 KB, 15 views)
pdf 8001022-01-Rev-B.pdf (487.62 KB, 16 views)


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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.

Hockeynut

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Reply with quote  #2 
Good thread majortom.This is what I know about the Primestars that are and were in existence.
Starting off with the smallest and growing from there.

1--.9 x.63 
2--1.0 x.7 
3--.9
4--1.0

First 2 mentioned are obviously eliptical...Just with my tinkering the .9 x .63 is still a fine dish but dont expect to lock many S2 signals.The 1.0 x .7 is a step above and a very good performer.

When looking for a Primestar 2,3 and 4 is the way to go...Close to ur true south #2 will perform as well as #4 and further from true south it will degrade...Now if one can find a rare skewable mount that came with the 1.0 x .7 then that negates.

These are all great dish`s imo and should never see the scrapyard.And btw all were made by Ch Master.

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Dish`s--10' KTI,10' Button Hook,10' Unimesh x2, 12' Cosmos,8 1/2 foot Birdview in the works.
1.2 Ch Masters parked at 91,103,105...1.2 Ch Master on a factory Ch Master polar mount tracking from 58-127.
Positioners--Gbox,Vbox and ASC1`s
Receivers--AZMe,AZPlus,AZElite,Icecrypt S1600 HD,Pansat 9500,VU Solo2 SE,Octagon SF4008 UHD 4K,Prof 7500,TBS 6982.

skideric

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Reply with quote  #3 
Yup,some of the best out there.Got about 14 PS/Charter bigger ellipticals.One small PS elliptical,couple small round & 3 or so large round PS's.Of course had to use other smaller mounts on some because Meth Head stole some mounts! Most are Dual Lnb Charter type.But all use same dish anyways...
Ebay had the Elliptical Channel Masters listed with same great mounts,pole,etc that Charter used!
Not sure if still on there.

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TRAXIS 6100HD,MicroHD Pro,OpenBox s9,Skybox F3s,2 Skybox F4's,Nexus-S & TwinHan 1030,Neusat SP6000,CNX Nano 2,Nfusion solaris,Pansat 2500a's,Coship CDVB3188C,TRX-1520 UHF,TRX-1800.ORB 5000,TRX-1420,Dishes-2x10.5 Mesh,1-7.5 Mesh,1-10.5 FG,4 Ft CM Ku,6 Charter Dual Linear LNB 1 Meter.
Mike

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Reply with quote  #4 
I got my 1st primestar dish back in 2000 from Rick when he was on the backhaul email list.
Rick was out of them two years later when I got a big enough yard for multiple dishes so I got 5 more.
3 are the .84 size and 3 the .7 size. 72w 83w 87w 91w 105w and 125w is where they sit now.
All still have the lnb's that they came with. 5 have the lnb's with H and V separate. Some have disecq switches now outside because 2 cables are bad.
One for 87w is the one that has just the single lnb/coax. There's pics somewhere on the website. This pc doesn't have them.

Analog feeds came in great. DVB-S feeds came in great. S2 feeds are spotty on the .7 and a little more reliable on the .84.
Occasionally a 16apsk feed.
Hockeynut

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Reply with quote  #5 
The 84e and the 1.0 x.7 are the same dish!
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Dish`s--10' KTI,10' Button Hook,10' Unimesh x2, 12' Cosmos,8 1/2 foot Birdview in the works.
1.2 Ch Masters parked at 91,103,105...1.2 Ch Master on a factory Ch Master polar mount tracking from 58-127.
Positioners--Gbox,Vbox and ASC1`s
Receivers--AZMe,AZPlus,AZElite,Icecrypt S1600 HD,Pansat 9500,VU Solo2 SE,Octagon SF4008 UHD 4K,Prof 7500,TBS 6982.

Mike

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Reply with quote  #6 
I didn't know that. thanks for the info
Hockeynut

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Reply with quote  #7 
There is a pbs show where Bob Vila was with a Primestar installer in the 90`s...I would think there is a youtube video of this but I can`t find.



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Dish`s--10' KTI,10' Button Hook,10' Unimesh x2, 12' Cosmos,8 1/2 foot Birdview in the works.
1.2 Ch Masters parked at 91,103,105...1.2 Ch Master on a factory Ch Master polar mount tracking from 58-127.
Positioners--Gbox,Vbox and ASC1`s
Receivers--AZMe,AZPlus,AZElite,Icecrypt S1600 HD,Pansat 9500,VU Solo2 SE,Octagon SF4008 UHD 4K,Prof 7500,TBS 6982.

mrbud

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Reply with quote  #8 
Thanx Majortom, and Hockey Nut, and Mike and Skideric....

the Primestar i have is stamped .90 x .63 and has ONE connector
on the lnb.....

it measure just under 36 inches wide.....try as i might, i could not get 12080 h 30000

i think the wider ones are about 39' wide.....

Hockeynut would know...he has a couple i think[biggrin]

i used to have a few myself...

great thread..

bud

Attached Images
Click image for larger version - Name: prime002-vi.jpg, Views: 42, Size: 171.20 KB 

skideric

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Reply with quote  #9 
Will fiind my old pics & post.Of course got 3 set up here at my gal's place.Two i think are mounted to boards & weighted with blocks! Will take pics those in the morn.I almost was an installer for a stsrt up dish company years ago.Not sure of their name now....was it Alphastar?


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TRAXIS 6100HD,MicroHD Pro,OpenBox s9,Skybox F3s,2 Skybox F4's,Nexus-S & TwinHan 1030,Neusat SP6000,CNX Nano 2,Nfusion solaris,Pansat 2500a's,Coship CDVB3188C,TRX-1520 UHF,TRX-1800.ORB 5000,TRX-1420,Dishes-2x10.5 Mesh,1-7.5 Mesh,1-10.5 FG,4 Ft CM Ku,6 Charter Dual Linear LNB 1 Meter.
dem0nlord

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Reply with quote  #10 
I've seen the 75e or 84e on occasion, but most here were type 100 which fits the model 6033 polar mount(as does 1.2M).

 
Attached Files
pdf TYPE100.pdf (75.06 KB, 21 views)
pdf 70E_75E_84E.pdf (78.22 KB, 20 views)

RimaNTSS

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Reply with quote  #11 
I like those glass Channel Master, Primestar, Andrew, Raven or whatever company name was at certain time of the history. Molds  and technology of production were same anyway. I've got 3 types of glass CM dishes:
1.8m IMG_20160729_114032 (Large).jpg IMG_20160729_114100 (Large).jpg IMG_20170321_111042 (Large).jpg 
1.2m IMG_20160822_155127 (Large).jpg IMG_20170214_111932 (Large).jpg IMG_20170321_111031 (Large).jpg 
0.35m IMG_20161217_142417 (Large).jpg IMG_20161213_160133 (Large).jpg IMG_20161213_153938 (Large).jpg 
I also got plenty of made in USA polar mounts for 1-1.2m dishes. IMG_20170321_111151 (Large).jpg 
I am pretty sure nobody from you, dear forumers, had ever heard about 0.35m Channel Master antenna. It is one of my favorite ones. 
Soon I will have CM 1m dish in my undistinguished collection.

majortom

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Reply with quote  #12 
I understand not everyone may know what we are talkin about on this side of the pond if they were not around at the time. In case anyone wants to lookup some history, wiki does a decent job.
https://en.wikipedia.org/wiki/PrimeStar


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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.
boblop

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Reply with quote  #13 
---the dish ran away with the spoon--from a larger dish one can get signals from the moon.

Nice pictures! I need a few more dishes here as at the moment I eat from paper plates. I am ready for a few fixed dishes here now to save on all the motoring around all the time.

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wejones

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Reply with quote  #14 
Quote:
Originally Posted by majortom
I understand not everyone may know what we are talkin about on this side of the pond if they were not around at the time. In case anyone wants to lookup some history, wiki does a decent job.
https://en.wikipedia.org/wiki/PrimeStar



I've used a few Primestar dishes, mostly 90CM, one of which I'm still using, and currently have a partially broken 1M Primestar that I intend to repair.  However I used to have a bigger similar dish that I've always been curious about.  Unfortunately, my wife talked me into throwing that dish away years ago [frown]  .   But I was always curious about what service it had been used for. 
   The dish in question was considerably bigger than my 90CM dishes, probably at least a 1.2M, maybe bigger.  I bought it, it's lnbf and the receiver used for the service from a co-worker back in the late 1980s.  He said that it was used for a local "satellite cable" service that had gone out of business. This was when I lived in northeast Maryland, near the Pa border.
   I still have the LNBF, which was a General Instruments, and was one of those circular wave guide types (I forget what those are called, something like C40 or something).  The "service" was apparently an analog service, not the DC-1 used by Primestar.  I think the receiver was also a General Instruments, and had 100 fixed channels.  I used the receiver for a while, ie you could generally find one of the 100 channels to line up close enough to one of the Ku channels to get tune it in OK.  The problem I had was that the audio didn't work.  I tried and tried to get audio out of the thing, but couldn't get it to work.  The guy I bought if from said that he had tried to tune in some other sat channels, and once found some of the NBC channels on K1 ir K2 (I think), but he didn't get any sound either. So I'm guessing that it was tuned to some non-standard audio freq, instead of the 6.2/6.8.  There were no audio adjustments on the receiver or remote.  But I used it for a while using it for video, and I had a standalone audio subcarrier receiver to get audio.  This was back when I had a C-band only system, and it was my first attempt at Ku.  I eventually gave up and replaced my C-band system with a C/Ku system.  I moved that dish to Maine with me, but it eventually went to the dump, although when I took it there, I picked up a 90CM Primestar to replace it [smile] .
   Anyway, I've always been curious about what that satellite service might have been.  I thought that it might have been an analog precursor to Primestar, but I've never heard any mention of such a thing.  By the time I got into Ku, this service was apparently out of business.


boblop

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Reply with quote  #15 
---a bigger dish---problems----my wife made me throw it away------

Thus many great hobbies have come to an early end. Man kind may have already had strip malls and golf resorts up on Mars but some where some how "a wife" made the guy throw away the used space ship he had found while out looking among the treasures at the dump.

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Never throw it away--almost never!

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Fellow Members, your posts are welcome here! Do not worry about posting everything perfect. Different receivers and LNB's will give you different Frequencies and Symbol Rates. Some set top boxes, PCI cards and USB receivers, Do Not Require all of the same information that others may need. It is not Required to post everything that others may need to tune in a feed. It is just most important to share the find. We can always adjust the Frequency and Symbol Rates and try the various Modulations and FEC's on our own receivers until we get a lock and then give a polite reply with what works for your receiver, as that information might help others as well. We all appreciate the efforts and energy of the Posters!

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