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11-10-2009, 02:19 PM
|  | SatelliteGuys Freshman | | Join Date: Jul 1st, 2009 Location: ST LOUIS
Posts: 18
| | | coolsat 8000 lpb
I have a 36inch geosat dish with a universal lnb, running a coolsat 8000.
I get everything on amc21 ecept for LPB.
i get no signal at all , from what i read it is hard to get,
is it even worth moving the dish for or is it a lost cause.
too weak?
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11-10-2009, 04:44 PM
|  | SatelliteGuys Junkie | | Join Date: Jun 24th, 2006 Location: Lovely Holland, Mi
Posts: 2,356
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Personally, I wouldn't worry about it, since the programming is mostly not unique. It is tough to hit without inching the dish one way or the other . All the 8psk channels are touchy to acquire, requiring larger dishes and more precise aim. 
__________________
-Brent
1.0M Ku dish/DG-380/ - Coolsat 8000 HD
120 cm mini BUD / DG380/ -Coolsat 8000 HD
AZbox Elite , Merc II, CS5000, Pansat 2800A hanging from various cables.
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11-10-2009, 09:37 PM
|  | The No Pain Train | | Proud Staff Member Join Date: Nov 17th, 2003 Location: Places men fear to tread
Posts: 50,508
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LPB seems to be one of those where during the day it comes in fine but at night it goes kaput
at least it does here in Minnesota on the 36" 
__________________ Winegard 76cm dish, SG2100 motor, Sadoun dual KU LNB/DirecTv dual..... Fortec 6 foot dish with GeoSatPro dual C-Band LNB aimed at 99W... Primestar 84e aimed at 91W.... WSIDigital 4 foot dish with Sadoun dual LNB aimed at 105W with 2nd LNB for 101W.... GeoSatPro 36" dish, SG2100 motor, Sadoun dual LNB
Coolsat 5000 on motorized....AZBox HD Elite on 99,motorized,105....Viacast DSR1500 on 99....GeoSatPro DSR200c on 2nd motorized.... Directv D15 DVR on 101W.... Pansat 1500 to aim dishes.... few receivers not set up yet
Other 6 foot Fortec dish with GeoSatPro dual C-Band LNB "ghetto moved" to various C-Band satellites
Third 6 foot Sadoun dish with GeoSatPro Prime Focus KU LNB on it for maximum rain fade combatting  |
11-11-2009, 07:48 AM
|  | SatelliteGuys Junkie | | Join Date: Oct 15th, 2008
Posts: 1,346
| | Quote:
Originally Posted by Iceberg  LPB seems to be one of those where during the day it comes in fine but at night it goes kaput
at least it does here in Minnesota on the 36" | Those day night differences (in either direction) are really hard to explain. I hadn't had this problem much on AMC-21, although I seldom watch LPB at night. However I DO watch (actually record) the main 12140 transponder a LOT at night. Never had ANY problem until the past few weeks. Recently I'll be getting a booming signal on that during the day. Put the thing on to record something overnight, and the recording would start out fine, then degrade into complete loss of signal half way through. Even happened once while I was watching live. Really strange. It didn't seem to be related to any weather at the uplink site, so I don't know what causes this stuff.
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11-11-2009, 08:30 AM
| | SatelliteGuys Freshman
Topic Starter
| | Join Date: Jul 1st, 2009 Location: ST LOUIS
Posts: 18
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maybe i will move the dish a little and see what happens.
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11-11-2009, 10:22 AM
| | The No Pain Train | | Proud Staff Member Join Date: Nov 17th, 2003 Location: Places men fear to tread
Posts: 50,508
| | Quote:
Originally Posted by B.J. Those day night differences (in either direction) are really hard to explain. I hadn't had this problem much on AMC-21, although I seldom watch LPB at night. However I DO watch (actually record) the main 12140 transponder a LOT at night. Never had ANY problem until the past few weeks. Recently I'll be getting a booming signal on that during the day. Put the thing on to record something overnight, and the recording would start out fine, then degrade into complete loss of signal half way through. Even happened once while I was watching live. Really strange. It didn't seem to be related to any weather at the uplink site, so I don't know what causes this stuff. | possibly that 12140 TP next door at 127?
__________________ Winegard 76cm dish, SG2100 motor, Sadoun dual KU LNB/DirecTv dual..... Fortec 6 foot dish with GeoSatPro dual C-Band LNB aimed at 99W... Primestar 84e aimed at 91W.... WSIDigital 4 foot dish with Sadoun dual LNB aimed at 105W with 2nd LNB for 101W.... GeoSatPro 36" dish, SG2100 motor, Sadoun dual LNB
Coolsat 5000 on motorized....AZBox HD Elite on 99,motorized,105....Viacast DSR1500 on 99....GeoSatPro DSR200c on 2nd motorized.... Directv D15 DVR on 101W.... Pansat 1500 to aim dishes.... few receivers not set up yet
Other 6 foot Fortec dish with GeoSatPro dual C-Band LNB "ghetto moved" to various C-Band satellites
Third 6 foot Sadoun dish with GeoSatPro Prime Focus KU LNB on it for maximum rain fade combatting |
11-11-2009, 12:41 PM
| | SatelliteGuys Junkie | | Join Date: Oct 15th, 2008
Posts: 1,346
| | Quote:
Originally Posted by Iceberg possibly that 12140 TP next door at 127? | But why only at night? Isn't that transponder active 24/7 ?
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11-11-2009, 01:04 PM
|  | SatelliteGuys Regular | | Join Date: May 21st, 2007 Location: Massachusetts, USA
Posts: 539
| | Quote:
Originally Posted by flashfluud1 maybe i will move the dish a little and see what happens. | What dish size are you using?
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11-11-2009, 01:09 PM
| | The No Pain Train | | Proud Staff Member Join Date: Nov 17th, 2003 Location: Places men fear to tread
Posts: 50,508
| | Quote:
Originally Posted by B.J. But why only at night? Isn't that transponder active 24/7 ? | yes it is...but just throwing an idea out. Maybe due to satellite wobble the signal on 127W is closer than normal
I honestly dont know..just throwing ideas out there
__________________ Winegard 76cm dish, SG2100 motor, Sadoun dual KU LNB/DirecTv dual..... Fortec 6 foot dish with GeoSatPro dual C-Band LNB aimed at 99W... Primestar 84e aimed at 91W.... WSIDigital 4 foot dish with Sadoun dual LNB aimed at 105W with 2nd LNB for 101W.... GeoSatPro 36" dish, SG2100 motor, Sadoun dual LNB
Coolsat 5000 on motorized....AZBox HD Elite on 99,motorized,105....Viacast DSR1500 on 99....GeoSatPro DSR200c on 2nd motorized.... Directv D15 DVR on 101W.... Pansat 1500 to aim dishes.... few receivers not set up yet
Other 6 foot Fortec dish with GeoSatPro dual C-Band LNB "ghetto moved" to various C-Band satellites
Third 6 foot Sadoun dish with GeoSatPro Prime Focus KU LNB on it for maximum rain fade combatting |
11-11-2009, 02:50 PM
| | SatelliteGuys Junkie | | Join Date: Oct 15th, 2008
Posts: 1,346
| | Quote:
Originally Posted by Iceberg yes it is...but just throwing an idea out. Maybe due to satellite wobble the signal on 127W is closer than normal
... | That sounded like a reasonable idea, ie maybe 125 and 127 were drifting close together, and were closest at night. So I made a table of the positions of 123,125, and 127, using the latest keps. http://www.eskerridge.com/BJ/sat/amc21drift3.htm
It turns out, however, that 125 and 127 are further apart than normal, and with the daily orbital fluxuations, the times I saw the problems are when they were furthest apart. So it doesn't seem to be that they are too close. It's possible that somehow side-lobes are involved, and when they are further apart, the sidelobes come into play. I ran into side-lobe problems with sats that were 2 or 3 slots separated, ie either 4 or 6 degrees apart, (ie I could lock transponders on sats 2 slots away while still locking transponders on the sat I was aimed at) but that was with a different dish, so this one might have sidelobes closer.
Last edited by B.J.; 11-11-2009 at 03:04 PM.
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