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New guy here.

Has anyone tried one of these Satlink WS-6906 meters? For my RV setup with a slimline dish and swm3 I really don't need a meter, but I screw around enough with an old BUD that for $100 I think it would be neat to have around. I wonder if it would work for directv and if it would require the ASL-1. I know that the accutrac22 or digisat III pro are proven economical options. The Satlink WS-6906 are all over ebay and satpro.tv are selling them.
 

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onearweiner said:
New guy here.

Has anyone tried one of these Satlink WS-6906 meters? For my RV setup with a slimline dish and swm3 I really don't need a meter, but I screw around enough with an old BUD that for $100 I think it would be neat to have around. I wonder if it would work for directv and if it would require the ASL-1. I know that the accutrac22 or digisat III pro are proven economical options. The Satlink WS-6906 are all over ebay and satpro.tv are selling them.
I can't mine to work on any of the DirecTV satellites. It's useless junk until we get some U.S. support.
 

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I also have the same problem. Even though I hand loaded the parameters for the DTV satellites, I still can't see them with my meter. Has anyone had any success getting this meter to see the U.S. satellites?
 

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Loading the parameters for Directv's satellites won't help if the meter can't handle DSS, which it can't.
 

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P Smith said:
same for Ka/Ku DVB-S2D,
what is modified [AMC enforced] world standard become non-standard for such meters in USA
What is the difference between Directv's DVB-S2D and standard DVB-S2?
 

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I did some digging around last night after seeing your post, and while I could find some patents mentioning AMC i.e. Advanced Modulation/Coding (like in Directv's original HMC patent) I couldn't find anything specifically detailing it. So if you could dig up that patent number it would be much appreciated!

One thought though - Directv has used various tuner chips from multiple vendors in their HD receivers over the year, none of which specifically call out DVB-S2D support like they do DSS support. So it is interesting that even hardware using the same tuner chips as in Directv hardware can't handle DVB-S2D - they can't even demodulate to the point of calculating BER / CNR. There may be some initial settings required on the chip's registers to handle DVB-S2D, and no one has cared enough to figure out what they are. Since the video is scrambled in a whole separate layer dependent on the access card, the only commercial gain from decoding DVB-S2D would be the ability to make a meter that can show CNR for Directv's Ka transponders. Directv already has the AIM, so the market for such a widely interoperable meter would be pretty small.

Directv is part owner of the DVB-S2 patent licensing pool (perhaps via their past ownership by Hughes?) so they may have more flexibility to depart from the standard than other licensees - often patent licenses require adherence to published standards to preserve interoperability.
 

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Mr. FixAnything
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You/re right on all counts, the designator "D" has been added by Lyngsat to distinguish WW DVB-S2 signals from DTV's DVB-S2 + AMC mix.
The company (IMO, over paranoid) keep own card close to a chest, hence using additional level of protection at RF modulation level.
 
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