Sounds more like you have lnb drift, if you do the lnb needs to be replaced. Also, unless you have your locals or international channels on 77, there isn't any reason to have it.
System Info One
a Status: Warning! Select "Details"
b 18
48
c no phone line
d VIP622 DVR-HD
Software: L711
e R00 7739 2104-21
S19 2468 6568-73
F HDD green
g Satellite: 77 72 61.5
Signal: yellow green green
h Device: DPP 1K.4, 1K.4(1), 1K.4(2), 1K.4(3)
Status: Warning! Select "Details"
You are currently experiencing signal loss on tuner 1:
Between 3:30pm 9/06 and 6:00pm 9/06 you had 1 signal losses.
Between 9:30am 9/06 and 3:30pm 9/06 you had 1 signal losses.
Between 9:30pm 9/05 and 3:30am 9/06 you had 3 signal losses.
Between 3:30pm 9/05 and 6:00pm 9/05 you had 3 signal losses.
Between 9:30am 9/05 and 3:30pm 9/05 you had 4 signal losses.
Between 9:30pm 9/04 and 3:30am 9/05 you had 5 signal losses.
You are currently experiencing signal loss on tuner 2:
Between 3:30pm 9/06 and 6:00pm 9/06 you had 1 signal losses.
Between 9:30am 9/06 and 3:30pm 9/06 you had 9 signal losses.
Between 3:30am 9/06 and 9:30am 9/06 you had 5 signal losses.
Between 9:30pm 9/05 and 3:30am 9/05 you had 6 signal losses.
Between 3:30pm 9/05 and 9:30pm 9/05 you had 5 signal losses.
Between 9:30am 9/04 and 3:30pm 9/05 you had 5 signal losses.
Between 3:30am 9/05 and 9:30am 9/05 you had 11 signal losses.
Between 9:30pm 9/04 and 3:30am 9/05 you had 7 signal losses.
STB Health Lite
Tuner 0 as of 09/06/12 1:47pm
Orbital: 14 15 16 21
110 0 0 0 0
119 0 0 0 0
129 0 0 0 0
Tuner 1 as of 09/06/12 1:54pm
Orbital: 14 15 16 21
110 0 0 0 0
119 0 0 0 0
129 0 0 0 0
Value 0: 0
Value 1: 0
Value 2: 0
Value 3: 0
Value 4: 1
Value 5: 0
Value 6: 0
Value 7: -2
Value 8: 0
Value 9: 0
Installation Summary
Satellite Input: _______1_________ _______2_________
Port: 1 2 3 4 1 2 3 4
Satellite: 77 72 61.5 x 77 72 61.5 x
Trans: OK OK OK x OK OK OK x
Device: 1K.4 1K.4 1K.4 N.C. 1K.4 1K.4 1K.4 N.C.
Satus: Reception Verified Reception Verified
Switch: DPP 1K.4 w/Seperator DPP 1K.4 w/Seperator
SuperDish (Checked)