The issues here is why the main and backup tower are not working at the same time. Basically not having any tower available occurred for only about a hour...
Power Reactor Event Number: 52768 Facility: COOPER
Region: 4 State: NE
Unit:  [ ] [ ]
RX Type:  GE-4
NRC Notified By: RANDY KOUBA
HQ OPS Officer: JEFF HERRERA
Notification Date: 05/23/2017
Notification Time: 15:57 [ET]
Event Date: 05/23/2017
Event Time: 08:30 [CDT]
Last Update Date: 05/23/2017
Emergency Class: NON EMERGENCY
10 CFR Section:
50.72(b)(3)(xiii) - LOSS COMM/ASMT/RESPONSE
JEREMY GROOM (R4DO)
Unit SCRAM Code RX CRIT Initial PWR Initial RX Mode Current PWR Current RX Mode 1 N Y 100 Power Operation 100 Power Operation
LOSS OF METEOROLOGICAL TOWER PRIMARY AND BACKUP COMMUNICATION EQUIPMENT
"This notification is being made due to a loss of emergency assessment capability in accordance with 10 CFR50.72(b)(3)(xiii). On [May, 23, 2017] at 0830 (CDT), the meteorological tower primary and backup communication equipment failed, which resulted in a loss of meteorological data to the plant. Information technology and communications personnel investigated and restored the primary system to service. Meteorological data to the plant was restored at 0925 on [May 23, 2017].
"The NRC Senior Resident Inspector has been informed."