KKPRKXPN is receiving a National Periodic Test

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Alert Received at 08/11/21 13:20:18 on monitor #3
Matched Filter _NPT_
A Primary Entry Point System has issued a National Periodic Test for all of the 
United States and Washington, DC beginning at 1:20 pm and ending at 2:20 pm 
(PRN 1)
ZCZC-PEP-NPT-000000-011001+0100-2231820-PRN 1   -