
<HTML>

<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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
01 Sep 1997 01:52:54 yearsecs  21001974
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.40   42.67  -68.90  353.86
    1.00  -62.75   57.67  -66.53   13.63
    2.00  -63.66   72.67  -63.69   30.13
    3.00  -67.96   87.67  -64.63   50.83
    4.00  -67.60  102.67  -60.84   61.74
    5.00  -68.28  117.67  -58.60   73.30
    6.00  -68.26  132.67  -56.27   83.27
    7.00  -68.80  147.67  -55.14   93.38
    8.00  -69.67  162.67  -54.87  103.38
    9.00  -69.83  177.67  -54.35  112.80
   10.00  -69.47  192.67  -53.80  122.07
   11.00  -69.15  207.67  -53.87  131.42
   12.00  -69.07  222.67  -54.76  140.84
   13.00  -69.24  237.67  -56.38  150.29
   14.00  -69.64  252.67  -58.62  159.62
   15.00  -70.29  267.67  -61.43  168.64
   16.00  -70.91  282.67  -64.60  177.42
   17.00  -70.72  297.67  -67.50  187.51
   18.00  -71.12  312.67  -71.25  196.99
   19.00  -70.45  327.67  -74.48  210.61
   20.00  -69.63  342.67  -77.66  228.96
   21.00  -68.88  357.67  -80.49  255.91
   22.00  -65.37   12.67  -78.56  298.46
   23.00  -63.12   27.67  -74.55  331.53
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.40   42.67  -74.95    1.66
    1.00  -67.75   57.67  -72.30   23.46
    2.00  -68.66   72.67  -69.14   39.93
    3.00  -75.43   87.67  -71.20   68.08
    4.00  -77.76  102.67  -69.92   81.23
    5.00  -78.19  117.67  -67.87   88.45
    6.00  -77.65  132.67  -65.45   94.06
    7.00  -76.43  147.67  -62.76   99.67
    8.00  -76.52  162.67  -61.77  107.23
    9.00  -76.55  177.67  -61.14  114.80
   10.00  -76.29  192.67  -60.68  122.38
   11.00  -76.39  207.67  -61.05  130.02
   12.00  -76.73  222.67  -62.11  137.44
   13.00  -76.53  237.67  -63.10  145.11
   14.00  -76.34  252.67  -64.52  152.88
   15.00  -76.15  267.67  -66.36  160.70
   16.00  -75.96  282.67  -68.59  168.54
   17.00  -75.72  297.67  -71.19  176.52
   18.00  -76.96  312.67  -74.95  179.61
   19.00  -77.24  327.67  -78.26  184.07
   20.00  -76.22  342.67  -81.43  195.29
   21.00  -73.94  357.67  -84.42  226.03
   22.00  -70.37   12.67  -84.02  293.21
   23.00  -68.12   27.67  -80.33  337.63
</PRE>


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