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Guest Message by DevFuse

Photo
* * * * * 2 votes

Interactive Beam Footprint Library


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140 replies to this topic

#61 OFFLINE   HoTat2

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Posted 26 May 2012 - 08:30 PM

You are mixing terms. In this filing, the term beam was used for both beam and coverage maps but they put a L or R marker at the end of the beam name when identifying a beam "map". A beam "map" may be served by any number of transponders and polarities, depending on design, ie; a conus satellite with all transponders on one beam "map".

So, for Puerto Rico, there is only one beam "map", B23RL, which shows the coverage area and contours for whatever transponders and polarities are associated with coverage of that area.


OK, so if I'm understanding this correctly even though there will actually be two physical overlapping spotbeams beams carrying even and odd channel sets covering Puerto Rico, only one beam "B23" is used to represent both on the coverage map since the two are identical?

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#62 OFFLINE   spear61

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Posted 27 May 2012 - 07:51 AM

Yes, of course no specific transponder frequency can be used twice in any bean "map" area to avoid interferece.

#63 OFFLINE   P Smith

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Posted 27 May 2012 - 09:39 AM

Yes, of course no specific transponder frequency can be used twice in any bean "map" area to avoid interferece.


Isn't using different polarity of same frequency could allow to do that ?

#64 OFFLINE   spear61

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Posted 27 May 2012 - 10:13 AM

Isn't using different polarity of same frequency could allow to do that ?

Yes, you are correct, frequency AND polarity can not be duplicated or there will be interference.

#65 OFFLINE   inkahauts

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Posted 27 May 2012 - 07:56 PM

Looks to me like they will finally have a spot beam big enough to cover all of Utah for HD LIL which they don't have now.

This is just amazing work guys! Awesome Job! Thanks!

#66 OFFLINE   Sunner73

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Posted 11 June 2012 - 10:24 PM

I'm looking for the spot beam map for D7. SD Locals only
Directv customer since 2001
1 HR34-50" Projection TV
2 HR24-27" HDTV/Monitor & 27" CRT
2 DSR704 DTivo's (no locals)-32" CRTs
1 DSR7000 DTivo-27" CRT
Only the 2 DSR704's MRV'ed

Upgraded to AU9 Slimline w/SWM16 w/uS575 stacker feeding a LAL20a amp supplying single coax to each of the 3 DSR's w/dual destackers.

#67 OFFLINE   Gary Toma

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Posted 11 June 2012 - 10:33 PM

I'm looking for the spot beam map for D7. SD Locals only


For the Bay Area, all your SD locals are on D4S/D9S @ 101. Look at the Spot Beam Map CB20, under the D9S listing early in this thread.

I know it is frustrating, because we don't have beam footprints for the old sats. Please read post #1 carefully - then you will understand...

:)


#68 OFFLINE   HoTat2

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Posted 11 June 2012 - 11:58 PM

I'm looking for the spot beam map for D7. SD Locals only


And if your still interested, try here for beam maps of DIRECTV-7S;

http://www.satstar.n...ites/dtv7s.html

While not interactive like the files posted here that work with Google Earth, they're still very informative.

Edited by HoTat2, 12 June 2012 - 12:05 AM.


#69 OFFLINE   Gary Toma

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Posted 12 July 2012 - 09:57 PM

...I know it is frustrating, because we don't have beam footprints for the old sats. Please read post #1 carefully - then you will understand...
:)


Your quest for Beam Footprints for D7S inspired our 'Beam Professor Emeritus', spear61. He ultimately has been successful in retrieving the "pre-web-era" data from the FCC filing system. With the payment of some fees and a great deal of time and work, he has made it possible to add to our Directv Beam Footprint Repository:

26 Beam Footprints for D4S - see post #14
30 Beam Footprints for D7S - see post #16


#70 OFFLINE   HoTat2

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Posted 12 July 2012 - 11:13 PM

Your quest for Beam Footprints for D7S inspired our 'Beam Professor Emeritus', spear61. He ultimately has been successful in retrieving the "pre-web-era" data from the FCC filing system. With the payment of some fees and a great deal of time and work, he has made it possible to add to our Directv Beam Footprint Repository:

26 Beam Footprints for D4S - see post #14
30 Beam Footprints for D7S - see post #16


Great work! ... :)

Many thanks to spear61 for his tireless work digging this old and largely forgotten material up given the emphasis on the HD birds nowadays.

These are posted on the Satstar site I posted above earlier as well. But much better to have them in google earth files for interactivity and 3D modeling.

BTW: Its 27 beams total for D4S. ;)

EDIT: Since the CONUS beam from D4S is reportedly turned off in exchange for coverage from the D9S national beam, I suppose its CONUS beam map is only of academic interest making D4S effectively 26 beams. Solely of spotbeams that is.

Edited by HoTat2, 12 July 2012 - 11:28 PM.


#71 OFFLINE   spear61

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Posted 13 July 2012 - 09:29 AM

The International Bureau Policy Division also scanned the original narrative/ technical documents into pdf format and have added them to the respective LOA web links.

#72 OFFLINE   HoTat2

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Posted 13 July 2012 - 09:59 AM

The International Bureau Policy Division also scanned the original narrative/ technical documents into pdf format and have added them to the respective LOA web links.


Mind posting those links spear61 for all us interested in this important history, but who cannot navigate the FCC site very well? :)

Again, thanks for all the hard work ...

#73 OFFLINE   spear61

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Posted 13 July 2012 - 11:50 AM

Easier for me this way. 4S and 7S narratives

https://docs.google....aGhxRF9hTm13d0U

https://docs.google....SnhhUTJCdUdrY28

#74 OFFLINE   Gary Toma

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Posted 16 November 2012 - 05:44 PM

Beam footprint maps for the forthcoming KU-76 satellite at 76W have just been published.

See Post #20 of this thread.

KU-76 is providing 'Continental Mexico' CONMEX beams for this extremely fast growing market.


#75 OFFLINE   Gary Toma

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Posted 21 November 2012 - 09:35 PM

Just published the Beam Footprint maps for INTELSAT-30, which will become a workhorse for DIRECTV Latin America in the near future.

Thanks again, spear61!!

See Post #19 of this thread.


#76 OFFLINE   Gary Toma

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Posted 07 February 2013 - 08:51 PM

Just added the Beam Footprint Maps for the new, proposed Directv KU (FSS) Satellite @45W.

Please see Post #22 of this thread for the Footprint Maps.

This new proposed satellite is to serve Directv-Latin-America (DLA) providing advanced services to Brazil.

Links are here: for the FCC Filing and Narrative Documents.

As always, thanks to Spear61 for his time, interest and genius in creating these beautiful displays for us!

Edited by gct, 07 February 2013 - 09:10 PM.



#77 OFFLINE   HoTat2

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Posted 17 July 2013 - 12:39 PM

Just added the Beam Footprint Maps for the new, proposed Directv KU (FSS) Satellite @45W.

Please see Post #22 of this thread for the Footprint Maps. ...

 

Guess Spear61 will have to update the footprint map for SKY Brazil's future KU-45W with DIRECTV's recent amendment to its application for it following Intelsat's protest of the original submission.

 

 http://licensing.fcc...erC/File Number


DIRECTV sub. since Sep. of '95


#78 OFFLINE   Gary Toma

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Posted 08 November 2013 - 08:24 PM

Guess Spear61 will have to update the footprint map for SKY Brazil's future KU-45W with DIRECTV's recent amendment to its application for it following Intelsat's protest of the original submission.

 

HoTat2,

 

Sorry for the slow response.  Post #22, for the Ku-45W, has just been updated with new maps.  Where we previously had but two beam footprints, we now have four.

 

As always, Thanks to spear61 for his dedication!




#79 OFFLINE   studechip

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Posted 09 November 2013 - 08:08 PM

I've never seen Hartford listed in the footprint maps for the local hd channels. Is one available?



#80 OFFLINE   Gary Toma

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Posted 10 November 2013 - 05:59 PM

Unfortunately, we do not appear to have a footprint map specifically for Hartford.  Given a little free time, I will endeavor to find which beam does cover Hartford.

 

We have some heavy-duty pro's here at dbstalk who may weigh in with some guidance too!







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