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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>
30 Jul 1997 03:31:44 yearsecs  18156704
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.47   19.74  -71.41  315.22
    1.00  -60.69   34.74  -70.05  341.79
    2.00  -61.78   49.74  -67.46    3.25
    3.00  -65.17   64.74  -67.53   25.16
    4.00  -65.23   79.74  -63.71   39.26
    5.00  -66.35   94.74  -61.32   53.73
    6.00  -66.57  109.74  -58.34   65.58
    7.00  -66.47  124.74  -55.58   76.24
    8.00  -67.12  139.74  -54.24   87.00
    9.00  -66.64  154.74  -52.35   96.71
   10.00  -66.22  169.74  -51.02  106.61
   11.00  -66.03  184.74  -50.38  116.63
   12.00  -66.07  199.74  -50.54  126.60
   13.00  -66.33  214.74  -51.54  136.49
   14.00  -66.81  229.74  -53.29  146.29
   15.00  -67.52  244.74  -55.66  155.95
   16.00  -68.45  259.74  -58.58  165.29
   17.00  -67.81  274.74  -60.49  176.14
   18.00  -67.90  289.74  -63.46  186.57
   19.00  -67.93  304.74  -66.82  197.55
   20.00  -66.70  319.74  -69.47  212.20
   21.00  -63.92  334.74  -70.79  232.93
   22.00  -61.95  349.74  -72.25  256.66
   23.00  -60.20    4.74  -72.58  285.23
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.47   19.74  -77.25  315.53
    1.00  -65.69   34.74  -76.12  347.56
    2.00  -66.78   49.74  -73.46   12.03
    3.00  -70.17   64.74  -72.74   36.93
    4.00  -73.41   79.74  -71.54   57.74
    5.00  -74.11   94.74  -68.62   68.50
    6.00  -73.09  109.74  -64.70   75.08
    7.00  -72.53  124.74  -61.65   82.94
    8.00  -73.82  139.74  -60.98   92.87
    9.00  -73.66  154.74  -59.43  101.02
   10.00  -74.10  169.74  -58.96  109.61
   11.00  -73.97  184.74  -58.37  117.88
   12.00  -73.96  199.74  -58.39  126.19
   13.00  -73.82  214.74  -58.81  134.52
   14.00  -74.06  229.74  -60.08  142.73
   15.00  -73.73  244.74  -61.27  151.36
   16.00  -73.90  259.74  -63.33  159.63
   17.00  -72.81  274.74  -64.74  169.72
   18.00  -72.90  289.74  -67.57  178.44
   19.00  -72.93  304.74  -70.74  187.40
   20.00  -71.70  319.74  -73.39  200.63
   21.00  -68.92  334.74  -75.11  221.88
   22.00  -66.95  349.74  -77.06  247.14
   23.00  -65.20    4.74  -77.91  279.90
</PRE>


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