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142 replies to this topic

#81 ONLINE   studechip

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Posted 10 November 2013 - 06:05 PM

Thanks Gary.



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#82 OFFLINE   HoTat2

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Posted 10 November 2013 - 06:24 PM

While the spotbeam transponder map originally posted by Dr. J (and edited by Gary) hasn't been updated since 8-1-2011; http://www.dbstalk.c...ransponder-map/ .

 

At last report anyhow, according to it the Hartford sportbeam locals use the Boston spotbeam (designated "A3B1") from either D10 or D12 which have identical spotbeams, and you can find here; 

 

http://www.dbstalk.c...rary/?p=2710714


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#83 OFFLINE   HoTat2

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Posted 15 November 2013 - 01:10 PM

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!

Yeah, thanks Gary and to spear61 for the update to KU-45W' coverage beams;

 

Just one confusing issue Gary;

 

In the Schedule S it list an additional vertically polarized "TXV" beam listed in section 7 of the 312 form titled "SPACE STATION ANTENNA BEAM CHARACTERISTICS" making for a total of 5 downlink transmit beams when counted with "T1H," "T2H." "T1V," and "T2V,"

 

Yet in the following section 8 titled "ANTENNA BEAM DIAGRAMS," this TXV beam is not listed as a d/l transmit beam, but only the four T1 and T2 H/V beams listed above as I would have thought sec. 7 to read as well. :confused:

 

I can find no mention in the narrative or anything further on in the Schedule S to account for this "TXV" beam outside the sec. 7 listing of it.

 

Then strangely , the last link in the updated post #22 has this "TXV" mentioned in it when I would have expected it to say "T1V."

 

Any light you or spear61 can shed on this?

 

Again, many thanks for the work done so far as always. Its much appreciated here.    


Edited by HoTat2, 15 November 2013 - 02:32 PM.

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#84 OFFLINE   Gary Toma

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Posted 15 November 2013 - 07:17 PM

HoTat2,

 

A quick chat with spear61 this afternoon - he has no further insight to offer at this time.  He or I will add posts if additional information becomes available.




#85 OFFLINE   HoTat2

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Posted 16 November 2013 - 01:53 PM

HoTat2,

 

A quick chat with spear61 this afternoon - he has no further insight to offer at this time.  He or I will add posts if additional information becomes available.

OK fine;

 

But do you know if we should take the last link in post #22 as actually the beam for "T1V" (that is "Transmit 1, Vertically polarized") instead of this mysterious "TXV" (for "Transmit X, Vertically polarized") beam? 


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#86 OFFLINE   Gary Toma

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Posted 19 November 2013 - 07:23 PM

spear61 is busy for these next few days, but will soon generate new beam maps for D5, based upon the most recent FCC filing.  Should be interesting!




#87 OFFLINE   HoTat2

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Posted 19 November 2013 - 08:14 PM

spear61 is busy for these next few days, but will soon generate new beam maps for D5, based upon the most recent FCC filing.  Should be interesting!

Yep, interesting;

 

Being on the west coast, I expect to see my 110 signal levels drop to zero at any point now as D5 (Tempo 1) is reoriented so it's beam footprint is moved further east to better cover PR.


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#88 OFFLINE   Gary Toma

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Posted 23 November 2013 - 07:43 PM

D5 Beam Footprint Update

 

Post #5 of this thread has been updated with the new Beam Footprint map for D5/Puerto Rico based upon Directv's recent FCC filing.

 

I know spear61 (and we do thank you) can only work with the data he is given; but this may be the ugliest  Beam splat we have seen.




#89 OFFLINE   slice1900

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Posted 20 December 2013 - 01:46 PM

Question:

 

Post 4 shows a beam footprint for RB-2. That was never built/launched, was it? I thought that was the application originally filed for BSS before the FCC's guidelines were complete, and Directv launched RB-2A with its four spots on D12 (post 8) as a sort of placeholder and for further testing beyond that provided by D11's "experimental BSS payload"?

 

Maybe RB-2 will finally be launched on D15, assuming it ends up at 103, since it has a BSS payload identical to D14's?


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#90 OFFLINE   HoTat2

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Posted 23 December 2013 - 12:47 PM

Question:

 

Post 4 shows a beam footprint for RB-2. That was never built/launched, was it? I thought that was the application originally filed for BSS before the FCC's guidelines were complete, and Directv launched RB-2A with its four spots on D12 (post 8) as a sort of placeholder and for further testing beyond that provided by D11's "experimental BSS payload"?

 

Maybe RB-2 will finally be launched on D15, assuming it ends up at 103, since it has a BSS payload identical to D14's?

Post number 2 actually ... :)

 

And yes post #2 appears to be the original 2006 filing for RB-2 (S2712), formally titled "BSS-103W" at that time. 

 

The later amendment ("AMD") and modification ("MOD") applications for RB-2 filed in 2008 and 2011 respectively to bring RB-2 more inline with the future FCC rulemaking and orders (R&O) as well as other modifications like only 18 CONUS transponders instead of 20 in the original filing, also do not contain any mention of the 24 transponder payloads and beams for the Mexico and L.A.

 

Gary and Spear61 may want to look at this for any needed updates and/or corrections here.     


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#91 OFFLINE   slice1900

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Posted 23 December 2013 - 01:23 PM

Post number 2 actually ... :)

 

And yes post #2 appears to be the original 2006 filing for RB-2 (S2712), formally titled "BSS-103W" at that time. 

 

The later amendment ("AMD") and modification ("MOD") applications for RB-2 filed in 2008 and 2011 respectively to bring RB-2 more inline with the future FCC rulemaking and orders (R&O) as well as other modifications like only 18 CONUS transponders instead of 20 in the original filing, also do not contain any mention of the 24 transponder payloads and beams for the Mexico and L.A.

 

Gary and Spear61 may want to look at this for any needed updates and/or corrections here.     

 

I wondered about the 18 transponders thing, since D14 (and D15, if it becomes RB-2) have 24 transponders, with transponders 19 and 20 switchable to 24 MHz operation so they can be used in the US. If the original filing listed 20 and it was amended to 18, I guess they must have decided they didn't need that extra 48 MHz for CONUS.

 

Did anyone ever learn what the four spot beams coming from RB-2A on D12 are doing? Are they just being used for testing, or are there earth stations in the places they're aimed at (i.e. perhaps being used for internal needs like Ka on 101?)


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#92 OFFLINE   P Smith

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Posted 23 December 2013 - 04:00 PM

it's a classified info - you must work in certain DTV dept to know it



#93 OFFLINE   BooneDocks

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Posted 02 February 2014 - 10:34 AM

Wow, I think I have finally found what I have been looking for. About 8 months ago I started living full time in an RV and I travel about the country. I have a Winegard slimline traveler HD auto sat dish on the roof with Directv HD service. I haven't applied for DNS as I don't really want to pay the extra monthly cost. So far, I have had success with calling DTV and having them change my service address, but I spent six weeks in Myrtle Beach and 4 months in one location of Florida. I am under the impression that DTV won't change my locals too often but I haven't gotten a good line on just how often I can or can't change them. I view these maps as a way of selecting service address location that will keep me within the footprint of spot beams that generally correspond to my travels. For example, I plan to slowly travel this spring/summer up the east coast and into the Canadian Maritimes. It looks to me that if I first chose DC it would cover me from about NC up through NY. And then if I gave a Boston service address, I would be good for NY on up into Canada.

Do I have this all correct?

Just an update to say that I have been able to call in an get my DTV locals changed about four times a year over the last 2 1/2 years.  I use these google earth maps to plan out my changes and they have worked very well for me.  So glad they are available here.  

 

My travels are more north/south which helps to minimize the number of times I have to call in and change.  If I was racing back and forth across the country I would be calling in all the time and I doubt they would make that many changes for me.

 

Bottom line, travel patterns permitting, you can work with DTV to change your locals from time to time and avoid the fee for DNS service.



#94 OFFLINE   Gary Toma

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Posted 02 May 2014 - 06:57 PM

SATELLITE INTELSAT-31 @95W

This is the Second of two forthcoming satellites for DIRECTV-Latin America

 

Beam Footprint: IS31_CBCR

Beam Footprint: IS31_PRLD

Beam Footprint: IS31_PRRD

Beam Footprint: IS31_R1LD

Beam Footprint: IS31_R1RD

Beam Footprint: IS31_R2LD

Beam Footprint: IS31_R2RD

Beam Footprint: IS31_R3LD

Beam Footprint: IS31_R3RD

Beam Footprint: IS31_R4LD

Beam Footprint: IS31_R4RD

Beam Footprint: IS31_TCNR




#95 OFFLINE   Gary Toma

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Posted 02 May 2014 - 07:00 PM

The Intelsat-30 Beam Footprint Maps have been updated, from their original filing data, provided in July, 2011.

 

The stack of Beam Footprint Maps for Intelsat-31 is in the works and should be ready for posting in the next few weeks.




#96 OFFLINE   HoTat2

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Posted 03 May 2014 - 02:38 PM

SATELLITE INTELSAT-30 @95W

This is the first of two forthcoming satellites for DIRECTV-Latin America

 

 

Beam Footprint: IS30_CBCL

Beam Footprint: IS30_PRLD

Beam Footprint: IS30_PRRD

Beam Footprint: IS30_R1LD

Beam Footprint: IS30_R1LD

Beam Footprint: IS30_R2RD

Beam Footprint: IS30_R3LD

Beam Footprint: IS30_R3RD

Beam Footprint: IS30_R4LD

Beam Footprint: IS30_R4RD

Beam Footprint: IS30_TCNL

Hey Gary;

 

Thanks for posting this update, but I'm still somewhat confused on the beam listings for IS30 here. As they should read (for the related downlinks above);

 

CBCL - California Broadcast Center Left Circular (downlink).

PRLD - Pan-Regional Left (Circular) Downlink

PRRD - Pan-Regional Right (Circular) Downlink

R1RD - Region 1 Right (Circular) Downlink

R1LD - Region 1 Left (Circular) Downlink

R2RD - Region 2 Right (Circular) Downlink

R2LD - Region 2 Left (Circular) Downlink

R3RD - Region 3 Right (Circular) Downlink

R3LD - Region 3 Left (Circular) Downlink

R4RD - Region 4 Right (Circular) Downlink

R4LD - Region 4 Left (Circular) Downlink

TCNL - Trans-Continental? Left (Circular Downlink) 

 

Located in files GXT26, GXT23, 24, GXT15-22,  and GXT25, respectively at IS30's FCC menu of filings;

 

http://licensing.fcc.gov/cgi-bin/ws.exe/prod/ib/forms/attachment_menu.hts?id_app_num=99684&acct=783256&id_form_num=15&filing_key=-249857

 


Edited by HoTat2, 03 May 2014 - 06:19 PM.

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#97 OFFLINE   Gary Toma

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Posted 09 May 2014 - 10:47 PM

Intelsat-31  Directv Latin America

 

Panamericana

 

Post #94 now provides the Beam Footprint Maps for Intelsat-31

 

Thanks once again to spear61 for his time and work !




#98 OFFLINE   HoTat2

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Posted 10 May 2014 - 09:11 AM

Intelsat-31  Directv Latin America

 

Panamericana

 

Post #94 now provides the Beam Footprint Maps for Intelsat-31

 

Thanks once again to spear61 for his time and work !

Yep, thanks Gary and especially to spear61 for his diligent work here;

 

Both Intelsat beam listings read correctly now.

 

Though in a note of clarification to readers, it seems the TCNL/R beams on the satellites should not be mistaken as dedicated downlink beams for the TCN transponder, but utilize the "Pan-Regional" downlink beams on their respective birds.

 

That is to say, the d/l beam "TCNL" on IS-30 is actually the "PRLD" beam. And beam "TCNR" is really "PRRD" on IS-31.

 

Now as with a similar 10 MHz wide version aboard the current G3C satellite, for what an only 8 MHz wide Ku transponder as this "TCN" tp. is will to be used for that can be relevant to DTH TV service, even for internal testing purposes, I haven't a clue. :)   


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#99 OFFLINE   HoTat2

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Posted 15 May 2014 - 10:47 AM

I also wish I could figure out why the engineering statements and Schedule S forms for IS-30 and 31 continue to list the total Ku band transponders for DTH service as only "73," to which I assume comes from 72 24/36 MHz wideband tps. + the 1 special narrowband TCN transponder.

 

This also may be why in early press releases for the DLA birds, it quoted the total of "144" tps. (or 72 x 2 ignoring the TCN tps.) combined for IS-30 and 31.

 

But from every count I can see in those documents, the total comes to "80" 24/36 MHz tps. + "1" TCN tp. for each satellite which should come to combined figure of "160" or "162" depending on whether the TCN transponders are counted.

 

That's for each bird;

 

16 - 24 MHz total tps. for Pan-regional H/LHCP up/down

16 - 24 MHz total tps. for Pan-regional V/RHCP up/down

12 - 36 MHz total tps. for Region 1 or 2 H/LHCP up/down

12 - 36 MHz total tps. for Region 1 or 2 V/RHCP up/down

12 - 36 MHz total tps. for Region 3 or 4 H/LHCP up/down

12 - 36 MHz total tps. for Region 3 or 4 V/RHCP up/down

 

1 - 8 MHz TCN tp. H/LHCP up/down for IS-30 and V/RHCP up/down for IS-31 

---------------------------------------------------------------------

Total: 80(81) transponders.

 

So what gives? :confused:

 


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#100 OFFLINE   slice1900

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Posted 15 May 2014 - 03:33 PM

Don't most satellites have spare transponders they can bring up if they have a failure?


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