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DirecTV in Mexico



 
 
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  #1  
Old February 4th 04, 08:38 AM
Iguana
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Posts: n/a
Default DirecTV in Mexico

I have a friend that has a DirecTV account on the east coast, and she
took the receiver and card down to central Mexico and connected it to
a 1 meter round dish (one LNB). She gets signal strenght of about 70
on some transponders on 101W. She wasn't expecting to get the local
channels, because those are in a spot beam. But, she is only getting
about half of the other channels - she gets CNN but not MSNBC or Fox
News, for example. Can't get most of the discovery channels or CSPAN1
or SCI or SCI FI ... etc ... When tuned to these channels, she just
gets "searching for satellite signal. Of course, she took it back to
the east coast and everything worked fine. But, she will be going
back and forth, so want's to figure this out.

Does anyone know why she is having problems with these channels? Are
some of the channels that one would think should be in the national
beams actually in the spot beams and the card she has is set up to
only receive these channels from the spot beam? Does she need to
point to a different satellite?
  #2  
Old February 4th 04, 03:35 PM
Chris Thomas
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Posts: n/a
Default

In article ,
says...
I have a friend that has a DirecTV account on the east coast, and she
took the receiver and card down to central Mexico and connected it to
a 1 meter round dish (one LNB). She gets signal strenght of about 70
on some transponders on 101W. She wasn't expecting to get the local
channels, because those are in a spot beam. But, she is only getting
about half of the other channels - she gets CNN but not MSNBC or Fox
News, for example. Can't get most of the discovery channels or CSPAN1
or SCI or SCI FI ... etc ... When tuned to these channels, she just
gets "searching for satellite signal. Of course, she took it back to
the east coast and everything worked fine. But, she will be going
back and forth, so want's to figure this out.

Does anyone know why she is having problems with these channels? Are
some of the channels that one would think should be in the national
beams actually in the spot beams and the card she has is set up to
only receive these channels from the spot beam? Does she need to
point to a different satellite?


(It's not necessary to post the same material three times...)

National channels like the Science Channel are not on local spot
beams -- that would make no sense. However, the national beam itself
is a formed beam, not a hemisphere-wide beam. Newer satellites have
national beams that look more and more like the shape of the US, so
the coverage doesn't spill as far south of the boarder as older
beams. I suspect the channels she can no longer get have been moved
to newer satellites. From DirecTV's point of view, signal beamed
outside the US is just wasted power.
  #3  
Old February 4th 04, 08:18 PM
Iguana
external usenet poster
 
Posts: n/a
Default

Chris Thomas wrote in message om...
In article ,
says...
I have a friend that has a DirecTV account on the east coast, and she
took the receiver and card down to central Mexico and connected it to
a 1 meter round dish (one LNB). She gets signal strenght of about 70
on some transponders on 101W. She wasn't expecting to get the local
channels, because those are in a spot beam. But, she is only getting
about half of the other channels - she gets CNN but not MSNBC or Fox
News, for example. Can't get most of the discovery channels or CSPAN1
or SCI or SCI FI ... etc ... When tuned to these channels, she just
gets "searching for satellite signal. Of course, she took it back to
the east coast and everything worked fine. But, she will be going
back and forth, so want's to figure this out.

Does anyone know why she is having problems with these channels? Are
some of the channels that one would think should be in the national
beams actually in the spot beams and the card she has is set up to
only receive these channels from the spot beam? Does she need to
point to a different satellite?


(It's not necessary to post the same material three times...)

National channels like the Science Channel are not on local spot
beams -- that would make no sense. However, the national beam itself
is a formed beam, not a hemisphere-wide beam. Newer satellites have
national beams that look more and more like the shape of the US, so
the coverage doesn't spill as far south of the boarder as older
beams. I suspect the channels she can no longer get have been moved
to newer satellites. From DirecTV's point of view, signal beamed
outside the US is just wasted power.


Sorry, I didn't mean to post 3 times. I was learning how to use
groups.

The shaped CONUS beams are a good explanation, except that she can
pick up half of the channels. It seems that you set your tuner to
just one transponder based on signal strength. Doesn't this
transponder carry all of the channels except local? If not, does that
mean that while you set your receiver to one transponder, it actually
is receiving from more than one?
  #4  
Old February 4th 04, 08:58 PM
Rod Smith
external usenet poster
 
Posts: n/a
Default

On Wed, 04 Feb 2004 12:18:37 -0800, Iguana wrote:

Chris Thomas wrote in message om...
In article ,
says...
I have a friend that has a DirecTV account on the east coast, and she
took the receiver and card down to central Mexico

....
But, she is only getting
about half of the other channels - she gets CNN but not MSNBC or Fox
News, for example.


the national beam itself
is a formed beam, not a hemisphere-wide beam. Newer satellites have
national beams that look more and more like the shape of the US, so
the coverage doesn't spill as far south of the boarder as older
beams. I suspect the channels she can no longer get have been moved
to newer satellites.


The shaped CONUS beams are a good explanation, except that she can
pick up half of the channels. It seems that you set your tuner to
just one transponder based on signal strength. Doesn't this
transponder carry all of the channels except local?


No.

If not, does that
mean that while you set your receiver to one transponder, it actually
is receiving from more than one?


Correct. Each transponder carries a particular set of channels. For
instance, from the DirecTV 101 position, transponder 10 carries CNN, ESPN,
TNT, and various others; transponder 23 carries MSNBC, Outdoor Life, and
some others; and transponder 27 carries Fox News, the History Channels,
and some others. Check
http://www.dbsforums.com/dbs/DTV101.htm for a
detailed mapping of channels to transponders on the DirecTV 101
satellites. Normally, setting signal strength based on just one
transponder is fine because in the continental US, when one transponder's
signal is strong, the others will be strong, as well. (Excepting spot
beams, of course.)

IIRC, CONUS signals from 101 are coming from at least two satellites of
different designs. Thus, some transponders may get poor signals in
outlying areas (such as northern Mexico) because of different aiming of
the satellites. There may even be differences on a single satellite
because of power given to different transponders or other technical issues
I don't understand. Unfortunately, DirecTV doesn't post information on
which satellites carry which transponders, or on within-satellite
differences, so it's left to the general public to speculate about such
things. I haven't followed such speculations very closely of late, though,
so I don't know what the current thinking is about
transponder-to-satellite assignments.

In sum, the ability to receive one channel doesn't guarantee the ability
to receive another. When setting up a system in a fringe area, it may be
necessary to fiddle a lot with the antenna to get decent signal strengths
on all transponders. That goal may not be attainable in some areas, even
with an oversized dish. This should be an issue only outside the
continental US, though.

--
Rod Smith,
http://www.rodsbooks.com
Author of books on Linux, FreeBSD, and networking

  #5  
Old May 13th 05, 04:54 PM
ordorika
external usenet poster
 
Posts: n/a
Default


I need to know if it is possible to take a US DirectV suscription to
Mexico and access US directv from there?


--
ordorika, Posted this message at http://www.SatelliteGuys.US

 




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