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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>
12 Apr 1997 14:00:29 yearsecs   8776829
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.96  225.81  -48.33  145.27
    1.00  -62.53  240.81  -50.59  155.90
    2.00  -63.11  255.81  -53.21  166.57
    3.00  -63.68  270.81  -56.15  177.32
    4.00  -63.22  285.81  -58.53  189.26
    5.00  -64.46  300.81  -62.88  199.69
    6.00  -65.01  315.81  -67.01  211.60
    7.00  -65.09  330.81  -70.87  226.32
    8.00  -65.53  345.81  -74.88  244.39
    9.00  -65.10    0.81  -77.32  271.58
   10.00  -64.68   15.81  -77.74  306.34
   11.00  -64.49   30.81  -75.58  338.72
   12.00  -64.53   45.81  -71.94    2.46
   13.00  -64.79   60.81  -68.15   20.43
   14.00  -65.27   75.81  -64.75   35.81
   15.00  -65.98   90.81  -61.84   49.95
   16.00  -66.91  105.81  -59.48   63.09
   17.00  -68.06  120.81  -57.84   75.18
   18.00  -68.08  135.81  -55.69   85.17
   19.00  -67.40  150.81  -53.45   94.52
   20.00  -66.01  165.81  -50.99  103.88
   21.00  -64.90  180.81  -49.31  113.78
   22.00  -63.62  195.81  -48.03  123.95
   23.00  -62.45  210.81  -47.54  134.48
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.73  225.81  -59.44  140.72
    1.00  -74.72  240.81  -61.74  148.32
    2.00  -75.66  255.81  -64.32  155.33
    3.00  -76.58  270.81  -67.16  161.53
    4.00  -78.83  285.81  -71.10  163.25
    5.00  -79.80  300.81  -74.06  165.38
    6.00  -79.49  315.81  -76.56  170.38
    7.00  -79.07  330.81  -79.32  174.89
    8.00  -79.70  345.81  -82.13  169.08
    9.00  -79.43    0.81  -84.78  159.41
   10.00  -79.35   15.81  -86.17  125.30
   11.00  -79.10   30.81  -85.00   87.13
   12.00  -78.73   45.81  -82.17   72.33
   13.00  -78.54   60.81  -78.85   70.78
   14.00  -78.55   75.81  -75.61   74.16
   15.00  -78.11   90.81  -72.36   77.54
   16.00  -77.92  105.81  -69.50   82.92
   17.00  -76.57  120.81  -66.01   86.84
   18.00  -76.32  135.81  -63.84   93.70
   19.00  -76.86  150.81  -62.93  101.64
   20.00  -76.40  165.81  -61.47  108.73
   21.00  -74.79  180.81  -59.28  115.91
   22.00  -74.32  195.81  -58.69  124.01
   23.00  -73.62  210.81  -58.41  132.39
</PRE>


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