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I'm not sure if this is the best place to ask this type of question but I'm learning about DVB-SI systems and I'm curious about something. The ETSI specfication says that the PAT table contains the location of the Network Information Table (NIT). Isn't the NIT always at a specific PID? Why...

I just like learning about this kind of stuff. I'm a software developer and recently started looking into how MPEG transport streams were assembled and how they are used for DVB systems, etc. There are quite a few more free channels on the eastern arc satellites though... I've found the NASA...

Errr, now I'm confused again. I thought DPP LNBFs combine both horizontal and vertical transponders onto the same cable? I also thought that there were two LOFs operating (one for the horizontal and the other for the vertical) but then the result was having everything on one cable without any...

OK - So in a DishPro LNB, there is no low and high band, right? It's all one band? (11250 - 14350 MHz) ...so that means there is also no LOF Switch?

Oh, OK. So a typical bandstacked LNBF just operates at 11250 MHz? How does a LOF SW work in other receivers? For example, if the value of LOW SW is 17000 MHz, does that mean any frequence above that will go to the LOF High?

Thanks so much for all of the help! One last question... What does "LOF SW" (or LOF Switch) mean and how does it relate to bandstacked dishes? For example, most DBS receivers (or applications) have three settings: LOF (Low) LOF (High) LOF SW I understand that bandstacked can have a LOF from...

Thanks! I've been reading more and more and I think I understand most of this. For example, DBS (Dish Network) operates their satellites on a frequency range of 12200 MHz to 12700 MHz. Our LNBs downconvert this to 950 - 2150 MHz (so it can travel further down coaxial cable, etc). Ku-Band...

Can anybody explain the difference between a bandstacked LNB and one that is not? I'm trying to learn a bit more about DVB systems and I'm a bit confused on this... For example, I believe Dish Network uses Ku-Hi band with bandstacking. This means that horizontal transponders must (???) be...