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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 Sep 1997 01:22:00 yearsecs  21950520
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.31   49.83  -68.12    4.09
    1.00  -62.86   64.83  -64.76   21.24
    2.00  -63.42   79.83  -61.64   36.36
    3.00  -63.98   94.83  -58.77   50.29
    4.00  -63.60  109.83  -55.22   62.10
    5.00  -64.88  124.83  -53.92   74.80
    6.00  -65.33  139.83  -52.40   85.77
    7.00  -65.31  154.83  -51.00   96.09
    8.00  -65.63  169.83  -50.41  106.48
    9.00  -65.35  184.83  -49.70  116.59
   10.00  -64.94  199.83  -49.44  126.69
   11.00  -64.75  214.83  -50.04  136.87
   12.00  -64.78  229.83  -51.41  147.15
   13.00  -65.04  244.83  -53.43  157.48
   14.00  -65.52  259.83  -56.00  167.78
   15.00  -66.23  274.83  -59.13  177.89
   16.00  -67.16  289.83  -62.84  187.64
   17.00  -67.66  304.83  -66.61  198.08
   18.00  -67.47  319.83  -70.14  210.77
   19.00  -67.66  334.83  -74.10  225.29
   20.00  -66.29  349.83  -76.47  248.88
   21.00  -65.19    4.83  -77.91  280.11
   22.00  -63.96   19.83  -76.65  315.64
   23.00  -62.78   34.83  -72.63  343.84
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.32   49.83  -75.09   16.04
    1.00  -69.51   64.83  -72.10   35.15
    2.00  -70.57   79.83  -69.10   50.26
    3.00  -71.65   94.83  -66.47   63.20
    4.00  -74.67  109.83  -66.11   77.94
    5.00  -75.80  124.83  -64.74   87.54
    6.00  -75.02  139.83  -62.14   94.19
    7.00  -74.09  154.83  -59.86  101.39
    8.00  -74.91  169.83  -59.77  110.03
    9.00  -74.99  184.83  -59.40  118.12
   10.00  -75.16  199.83  -59.60  126.14
   11.00  -75.05  214.83  -60.02  134.15
   12.00  -74.72  229.83  -60.71  142.37
   13.00  -74.64  244.83  -62.10  150.58
   14.00  -74.87  259.83  -64.18  158.46
   15.00  -74.46  274.83  -66.10  167.21
   16.00  -74.35  289.83  -68.69  175.61
   17.00  -72.66  304.83  -70.56  188.10
   18.00  -72.47  319.83  -73.94  198.46
   19.00  -73.36  334.83  -78.23  206.28
   20.00  -72.73  349.83  -81.70  224.20
   21.00  -70.43    4.83  -83.23  267.33
   22.00  -69.54   19.83  -82.96  318.31
   23.00  -68.47   34.83  -79.21  353.73
</PRE>


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