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- 11-10-2009 02:19 PM #1
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coolsat 8000 lpb
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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?
- 11-10-2009 02:19 PM # ADS
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- 11-10-2009 04:44 PM #2
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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.
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6 ft BUD /Dual Orthomode feedhorn, Manhattan RS-1933,version 3.8 software .
CS8000, Skywalker-1( s/n #21), Profs 7500, hanging from various cables from WNC 4x8 powered switch-
- 11-10-2009 09:37 PM #3
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Proud Staff MemberLPB 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 Slimline SWM 3 LNB.... GeoSatPro 36" dish with Sadoun dual KU LNB... Coolsat 5000 on motorized.... Manhattan RS1933....Directv HR34 (yes the 5 tuner monster) GeoSatPro 200 to aim dishes.... few receivers not set up yet
Two 6 foot Fortec dish with GeoSatPro dual C-Band LNB "ghetto moved" to various C-Band satellites
- 11-11-2009 07:48 AM #4
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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.
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"
- 11-11-2009 08:30 AM #5
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maybe i will move the dish a little and see what happens.
- 11-11-2009 10:22 AM #6
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Proud Staff Memberpossibly that 12140 TP next door at 127? Originally Posted by B.J. Winegard 76cm dish, SG2100 motor, Sadoun dual KU LNB..... Directv Slimline SWM 3 LNB.... GeoSatPro 36" dish with Sadoun dual KU LNB... Coolsat 5000 on motorized.... Manhattan RS1933....Directv HR34 (yes the 5 tuner monster) GeoSatPro 200 to aim dishes.... few receivers not set up yet
Two 6 foot Fortec dish with GeoSatPro dual C-Band LNB "ghetto moved" to various C-Band satellites
- 11-11-2009 12:41 PM #7
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But why only at night? Isn't that transponder active 24/7 ? Originally Posted by Iceberg
- 11-11-2009 01:04 PM #8
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What dish size are you using? Originally Posted by flashfluud1 AZBox Me, OpenBox S10 HD PVR Receiver, DVB-S2 CA USB 2104D and Coolsat 5000. DG-380 Motor (37.6°W to 129.0°W), on 1.2M Geosat Pro. 3ABN Dish @30.0°W. 2nd 1.2M Mini BUD Geosat Pro with C2 LNBF for C-Band.
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- 11-11-2009 01:09 PM #9
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Proud Staff Memberyes it is...but just throwing an idea out. Maybe due to satellite wobble the signal on 127W is closer than normal Originally Posted by B.J.
I honestly dont know..just throwing ideas out there Winegard 76cm dish, SG2100 motor, Sadoun dual KU LNB..... Directv Slimline SWM 3 LNB.... GeoSatPro 36" dish with Sadoun dual KU LNB... Coolsat 5000 on motorized.... Manhattan RS1933....Directv HR34 (yes the 5 tuner monster) GeoSatPro 200 to aim dishes.... few receivers not set up yet
Two 6 foot Fortec dish with GeoSatPro dual C-Band LNB "ghetto moved" to various C-Band satellites
- 11-11-2009 02:50 PM #10
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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. Originally Posted by Iceberg
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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