Why Channles come and go

[chumlee]

Sometimes I can receive 175 channels & other times 90 off the same dish allignment. I have seen this on a DG7000 and a viewsat extreme. Not sure why?

[nevwar]

your setup ? your sat ? type of lnb;switches & how many sats . bin-file # in your DG7000 & all other info needed for somebody to assist u .