Question about 77 72 Sats

Hello,
I posted under another person and Think I should have made my oun so here I go.

1000.2 and 129 signal

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Hello,
I'm in northern Minnesota and just bought the VIP 722 and the 1000.2 dish.
My question is the signal for 129 is so low 30 is best I can get. Can I just put up a single dish and point to the 61.5 or 77 or 72.7 Sats ? The 61.5 theres a big tree that blocks signal but 77 and 72.7 there is open sky. To reciever those 2 Sats I dont adjust the skew right it stays straight the LNB'S ?
Any help would be great on this. Thank you very much.
And could someone tell me what I would set a dish 500 or single dish antenna
at to recieve the 77 or 72.7 sats my zip is 55746. thank you much for any help.

pbsman