DAILY STAFF JOURNAL 12 NOV 90

File: 120396_mar96_decls7_0010.txt
Page: 0010
Total Pages: 17

Subject: DAILY STAFF JOURNAL 12 NOV 90                                   

Unit: XVIII CORPS 

Parent Organization: ARCENT      

Box ID: BX000036

Folder Title: DUTY LOG G3  EOC INCOMING MSGS  12 NOV 90                                                       

Document Number:          2

Folder SEQ  #:         34


    RULSMCAICG MCCDC QUANTIC&AI/WFIXA/I
    RUFTNAH/CDR421STMEDEVAC DARMSTADT GE//AE14AA-S3//
    RUFOMSU/CDR236MED CO LANDSTUHL GE/IAENAA-LA/I
    RMFFNEL/CDR45MEDCO NELLINGEN GEIIAEMAA-NL//                 UHCLASSIFIED'
    RUFTMAA/CDR159MED CO DARMSTADT GE/IAENAA-DA/I
    BT
    UNCLAS SECTION I OF
    MINIMIZE CONSIDERED
    SUBJECT: (U) GPS NAVIGATION AVAILABILITY FOR 12 NOV 90 (DAY 316)
    1. (U) GPS NAVIGATION IS POSSIBLE IN THE FOLLOWING AREAS DURING THE
    ZULU-TIME9-fNDICATED. FOR EACH DATE AFTER 12 NOV 90,, SUBTRACT-
    FOUR
    MINUTES FROM THE TINES LISTED. SHOWN ARE BOTH THE 2-orMENSIONAL (20)
    AND 3-DI14EWSIONAL (3D) VISIBILITY WINDOWS. 2D SOLUTIONS ALLOW
    HORIZONTAL POSITIONING (LATILONGP GRIOP ETC) ONLY. 30 SOLUTIONS
    PROVIDE HORIZONTAL POSITIONING AND ALTITUDE.
    2. (U) IT IS ESSENTIAL THAT THIS INFORMATION BE ORSEPINATED TO ALL
    SUBORDINATE UNITS EQUIPPED WITH GPS RECEIVERS BY THE FASTEST MEANS
    POSSIBLE.
    3. (U) SATELLITE CONSTELLATION STATUS. PRE@ENTLY FIFTEEN USABLE
    SATELLITES ARE AVAILABLE* SELECTIVE AVAILABILITY (SA) HAS BEEN





    PAGE 4 RUWASPCO585 U N C L A S
    GEACTIVATEOP ALL P-CODE RECEIVERS SHOULD RECEIVE 16 M (SEP)
    ACCURACIES AND ALL COM14ERCIAL SLGR-TYPE CSLGR= SMALLE LIGH7VElGH7 GPS
    RECEIVER) SETS SHOULD RECEIVE 30 f4 ACCURACY. ALL USERS ARE ADVISED
    TO CONTINUE COMSEC PROCEDURES AS SA MAY BE RE-ENGAGED WITH LITTLE
    NOTICE.
    4. (U) SELECTED SATELLITES ARE BEING MANUEVERED THROUGH NOV 90.
    DURING THESE MANUEVERSP THE SATELLITES WILL BE UNUSABLE FOR SEVERAL
    HOURS. FURTHER INFORMATION ON THESE MANUEVERS WILL BE DISTRIBUTED
    WHEN AVAILABLE.
    S. (U) IT HAS BEEN REPORTED THAT EXPOSURE OF THE SLGR TO EXTREME
    HEAT HAS LEAD TO PROBLEMS WITH DECREASED BATTERY LIFE AND OPERATIONAL
    PROBLEMS. IT IS RECOMMENDED TO KEEP SLGRS IN SHADED AREAS AS MUCH
    AS POSSIBLE TO INCREASE BATTERY LIFE AND MINIMIZE OPERATIONAL
    PROBLEMS.
    6. (U) LOCATION 101 NAV AVAILABILITY (ZULU TIMES)

r24:00
    20 316100:00 - 10:10   3D 316/00:00 - 00:10
    20 316110:25 - 10:50   30 316/00:30  - 03:35
    20 316/11:00 - 11:20   30 316/03:45  - 05:55





    FAGE 5 RUWASPCOSS5 U  N C L A S
    20 316/11:45 - 14-.00  30 316106:10  - 96.-25
    20 316/14:20 - 16:35   30 316/08:50  - 09:05
    20 316117:30 - 24@.00  30 316112:10  - 13:35
                           30 316114:10  - 16:25
                           3D 316/i8:05  - 22:15
                           30 316122:35  - 22:35
                           30 316/22:55  - 24:00

Document 17 f:/Week-10/BX000036/DUTY LOG G3 EOC INCOMING MSGS 12 NOV 90/daily staff journal 12 nov 90:11089615153056
Control Fields 17
File Room = mar96_declassified
File Cabinet = Week-10
Box ID = BX000036
Unit = XVIII CORPS
Parent Organization = ARCENT
Folder Title = DUTY LOG G3 EOC INCOMING MSGS 12 NOV 90
Folder Seq # = 34
Subject = DAILY STAFF JOURNAL 12 NOV 90
Document Seq # = 2
Document Date =
Scan Date =
Queued for Declassification = 01-JAN-1980
Short Term Referral = 01-JAN-1980
Long Term Referral = 01-JAN-1980
Permanent Referral = 01-JAN-1980
Non-Health Related Document = 01-JAN-1980
Declassified = 08-NOV-1996