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<HEAD>

    <TITLE>JHU/APL Auroral Oval Boundary</TITLE>

    <META NAME="Copyright" CONTENT="Copyright 2000 Johns Hopkins University Applied Physics Laboratory"/>

    <META NAME="Date" CONTENT="21 February 2000"/>

    <META NAME="Author" CONTENT="J. P. Skura"/>


  

  

    

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<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
31 May 1997 22:35:31 yearsecs  13041331
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.23   87.82  -53.48   36.62
    1.00  -58.75  102.82  -51.18   50.85
    2.00  -59.26  117.82  -49.09   64.34
    3.00  -59.78  132.82  -47.43   76.82
    4.00  -59.51  147.82  -45.57   88.14
    5.00  -60.41  162.82  -45.45   99.74
    6.00  -61.96  177.82  -46.42  111.12
    7.00  -63.13  192.82  -47.49  121.87
    8.00  -63.20  207.82  -48.09  132.30
    9.00  -62.62  222.82  -48.68  142.94
   10.00  -62.15  237.82  -49.85  153.90
   11.00  -61.95  252.82  -51.71  165.07
   12.00  -61.99  267.82  -54.11  176.42
   13.00  -62.25  282.82  -57.06  187.88
   14.00  -62.73  297.82  -60.64  199.42
   15.00  -63.44  312.82  -64.85  211.30
   16.00  -64.37  327.82  -69.48  224.39
   17.00  -65.52  342.82  -74.19  240.17
   18.00  -65.63  357.82  -77.40  264.59
   19.00  -64.60   12.82  -77.70  299.30
   20.00  -62.97   27.82  -74.36  331.71
   21.00  -61.82   42.82  -69.40  354.55
   22.00  -60.11   57.82  -63.07   10.09
   23.00  -58.99   72.82  -57.77   23.56
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.09   87.82  -70.15   64.49
    1.00  -74.87  102.82  -67.60   74.63
    2.00  -75.74  117.82  -65.72   83.97
    3.00  -76.36  132.82  -64.23   92.29
    4.00  -77.56  147.82  -63.85  100.92
    5.00  -78.68  162.82  -63.93  108.87
    6.00  -78.98  177.82  -63.63  115.81
    7.00  -78.56  192.82  -63.01  122.57
    8.00  -78.98  207.82  -63.67  129.38
    9.00  -78.96  222.82  -64.30  136.15
   10.00  -78.48  237.82  -64.92  143.34
   11.00  -78.04  252.82  -66.01  150.73
   12.00  -77.68  267.82  -67.60  158.16
   13.00  -77.44  282.82  -69.69  165.41
   14.00  -77.26  297.82  -72.19  172.42
   15.00  -76.87  312.82  -74.93  179.99
   16.00  -76.87  327.82  -78.17  185.92
   17.00  -76.43  342.82  -81.52  193.85
   18.00  -76.09  357.82  -85.18  201.83
   19.00  -75.72   12.82  -89.11  217.67
   20.00  -75.27   27.82  -86.67   30.17
   21.00  -74.39   42.82  -82.10   36.02
   22.00  -74.48   57.82  -77.99   47.72
   23.00  -73.74   72.82  -73.53   54.37
</PRE>


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