signal spikes,then drops

[hanson]

trying to get amc4 at 101*,i get 99* &103* just fine,but when i do a blind scan on amc4 several trans. will spike to around 90%,then drop to 0. i've moved the dish back and forth,still the same. got a good line of sight. using 10' mesh dish,calif. lnb, and coolsat 5000.

 

[Cadsulfide]

Check your cable & connectors 1st.