Step by step procedure were done.
1. Hardware installation including RTN, ODu, IF cable, antenna was rechecked
2. Service configuration (operation manual fault) was carefully checked and handled
3.Performance event was enabled over a period of 2 weeks
4. all UAS,SES,BBE , CA , LA, RSLD,FMD were continously monitored
5. ATPC, XPIC were rechecked
6. Cable fault (IF) checked
7. Interefernce checked and K factor effects checked
8.Rainfall and LOS rechecked.
9. Antenna installation checked
After all checking was done, the silver line at dark sky seems to appear. All equipment and ODu were checked except the antenna(Feeder on the antenna installation).
The main working antenna site was switched to protection so that the inner feeder installation could be checked.