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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>
20 Apr 1997 02:04:14 yearsecs   9425054
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.43   39.43  -73.50  353.21
    1.00  -65.52   54.43  -70.74   14.90
    2.00  -66.36   69.43  -67.61   32.01
    3.00  -67.40   84.43  -64.86   47.17
    4.00  -67.04   99.43  -60.98   58.46
    5.00  -67.74  114.43  -58.64   70.40
    6.00  -67.67  129.43  -56.11   80.58
    7.00  -67.75  144.43  -54.40   90.56
    8.00  -68.55  159.43  -53.96  100.77
    9.00  -68.71  174.43  -53.32  110.45
   10.00  -68.43  189.43  -52.74  119.96
   11.00  -68.24  204.43  -52.83  129.49
   12.00  -68.27  219.43  -53.74  139.04
   13.00  -68.53  234.43  -55.37  148.58
   14.00  -69.01  249.43  -57.62  158.01
   15.00  -69.72  264.43  -60.42  167.15
   16.00  -70.49  279.43  -63.64  175.94
   17.00  -70.94  294.43  -66.98  184.96
   18.00  -70.95  309.43  -70.35  195.09
   19.00  -70.36  324.43  -73.59  208.05
   20.00  -69.47  339.43  -76.72  225.52
   21.00  -68.60  354.43  -79.57  250.46
   22.00  -67.46    9.43  -80.71  287.98
   23.00  -65.62   24.43  -78.02  326.73
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.43   39.43  -79.05    4.82
    1.00  -70.52   54.43  -75.94   28.15
    2.00  -71.36   69.43  -72.53   44.37
    3.00  -76.69   84.43  -72.78   70.39
    4.00  -78.82   99.43  -71.24   82.84
    5.00  -79.16  114.43  -69.12   89.23
    6.00  -78.38  129.43  -66.50   93.78
    7.00  -77.63  144.43  -64.22   99.41
    8.00  -77.95  159.43  -63.40  106.72
    9.00  -77.92  174.43  -62.64  113.77
   10.00  -77.94  189.43  -62.38  120.92
   11.00  -77.91  204.43  -62.49  128.07
   12.00  -78.16  219.43  -63.33  135.07
   13.00  -77.97  234.43  -64.16  142.25
   14.00  -77.88  249.43  -65.50  149.37
   15.00  -77.67  264.43  -67.13  156.63
   16.00  -77.68  279.43  -69.31  163.37
   17.00  -77.46  294.43  -71.69  170.40
   18.00  -78.27  309.43  -74.92  173.57
   19.00  -78.21  324.43  -77.87  178.34
   20.00  -77.21  339.43  -80.89  187.59
   21.00  -75.16  354.43  -84.10  210.31
   22.00  -72.46    9.43  -85.90  272.31
   23.00  -70.62   24.43  -83.59  335.37
</PRE>


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