Where are my local HD channels?

[RVD26]

I seemingly just lost all my local HD channels a few minutes ago
I get the "Searching for satellite signal (771)" message
Are the local HD channels being switched to a new satellite or something?
My signal strength numbers are the same as they've always been

[Earl Bonovich]

Which market are your locals from:
What signal strength are you seeing on 99b and 103a:
Ect...

[RVD26]

Which market are your locals from:
What signal strength are you seeing on 99b and 103a:
Ect...

Never mind...they're back now :)
I just get nervous whenever I lose HD channels because I was initially told prior to installation that I couldn't get any of the local HD channels or the new HD channels
I'm in the Houston market, BTW