1.     NANU TYPE: GENERAL
*** GENERAL MESSAGE TO ALL GPS USERS ***
AS OF 14 FEB 01 (J DAY-045) AT 1430Z, SVN 54 (PRN 18) WILL APPEAR IN THE 
OPERATIONAL ALMANAC AS UNUSABLE.  PLEASE UPDATE YOUR GPS
DATABASE AS NECESSARY.  ANOTHER NANU WILL BE SENT WHEN THE
VEHICLE IS SET HEALTHY.
*** GENERAL MESSAGE TO ALL GPS USERS ***