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<blockquote data-quote="Fisty McB" data-source="post: 918858" data-attributes="member: 389824">I wonder if the sudden loss of stations coincided with the transfer of services from the Astra 2A to 2E &amp; 2F satellites? Many of these services lie in the 11.7-12.5GHz band that Badr 4 uses on their BSS beam, and the new Euro beams on the 2E &amp; 2F satellites are a little bit stronger than those on 2A in Britain, meaning that off-beam side splatter interference is increased thus interfering with Badr 4 reception more compared to around a month ago. Even the very narrow -3db beamwidth of your 100cm dish might not be enough separation between the two orbital slots now, and if the dish isn't spot on 26.0 east, just slightly more to the east like 26.2 or 26.3 for example, the receiver might see two conflicting signals and judge that the signal&nbsp; from 28 east is the one to lock on. As you've seen, the Dubai stations come in as they have no such interference to contend with.I've had this problem myself as my motor has a slight bit of backlash so when trying to lock on to Badr 4, the Dubai transponder is one to lock on to, peak the signal (I use Diseqc 1.2 to do this after initially using USALS) to try and centre it dead on as best you can, then scan the MBC transponder at 11919MHz. If the MBC stations then come in fine, then most if not all of the other Badr 4 BSS transmissions should come in fine as well, though signal levels can vary. If after centring on the Dubai signal, MBC still won't come through, try nudging the dish 0.1 west to try and escape the interference and try MBC again - the idea simply being to minimise interference while ensuring you still have useful signal strength &amp; quality from the position you want. It works for me here in Co. Tyrone which in theory should have slightly less signal from the Badr 4 BSS footprint than North Yorkshire.</blockquote>

[QUOTE="Fisty McB, post: 918858, member: 389824"] I wonder if the sudden loss of stations coincided with the transfer of services from the Astra 2A to 2E & 2F satellites? Many of these services lie in the 11.7-12.5GHz band that Badr 4 uses on their BSS beam, and the new Euro beams on the 2E & 2F satellites are a little bit stronger than those on 2A in Britain, meaning that off-beam side splatter interference is increased thus interfering with Badr 4 reception more compared to around a month ago. Even the very narrow -3db beamwidth of your 100cm dish might not be enough separation between the two orbital slots now, and if the dish isn't spot on 26.0 east, just slightly more to the east like 26.2 or 26.3 for example, the receiver might see two conflicting signals and judge that the signal from 28 east is the one to lock on. As you've seen, the Dubai stations come in as they have no such interference to contend with. I've had this problem myself as my motor has a slight bit of backlash so when trying to lock on to Badr 4, the Dubai transponder is one to lock on to, peak the signal (I use Diseqc 1.2 to do this after initially using USALS) to try and centre it dead on as best you can, then scan the MBC transponder at 11919MHz. If the MBC stations then come in fine, then most if not all of the other Badr 4 BSS transmissions should come in fine as well, though signal levels can vary. If after centring on the Dubai signal, MBC still won't come through, try nudging the dish 0.1 west to try and escape the interference and try MBC again - the idea simply being to minimise interference while ensuring you still have useful signal strength & quality from the position you want. It works for me here in Co. Tyrone which in theory should have slightly less signal from the Badr 4 BSS footprint than North Yorkshire. [/QUOTE]

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