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  1. B

    No signal on anik F1R

    Another possible here could be and I know nothing of your openbox 10 there was a shift on a lot of satellites to switch to mpeg 4 recently I lost all that I used to watch when I rescan nothing is there its like the switch to mpeg 4 left all of my boxes in the I loose category. Replacing my...
  2. B

    calculating focal point C/Ku

    the Ku scaler ring i'm holding in my hand has a 1/2inch deep concave surface with the 1/8 inch spaced rings turned into it, this is a commercial Ku head for a prime focus dish made by Andrews, it originally came off the dish i'm trying to re-install onto as the 4 original legs were damaged and...
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    calculating focal point C/Ku

    Ok finally headway pure math wins
  4. B

    calculating focal point C/Ku

    My question had more to do with the differences between the C-band collector and the Andrews dedicated Ku collector ring and would the focal length change for the same dish, My calculations to get to the focal length were Diameter 72 inch squared over 16 times depth 12 inch equalling 27 inch...
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    calculating focal point C/Ku

    I have a 6ft Andrews prime focas all aluminum dish on an Orbitron polar mount the 6 foot dish came with a dedicated Ku scale ring and for years the cband scale ring and bsc-621 was just fine and about 2 weeks ago it all fell apart, Close as I can figure most programs went to mpeg 4 none of the...