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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>
31 May 1997 19:14:23 yearsecs  13029263
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.60  137.94  -48.74   81.91
    1.00  -62.13  152.94  -47.87   93.19
    2.00  -62.66  167.94  -47.49  104.21
    3.00  -63.18  182.94  -47.54  114.97
    4.00  -62.74  197.94  -47.21  125.43
    5.00  -64.00  212.94  -49.18  135.72
    6.00  -64.39  227.94  -50.84  145.98
    7.00  -64.25  242.94  -52.45  156.58
    8.00  -64.85  257.94  -55.11  166.93
    9.00  -65.09  272.94  -57.78  177.64
   10.00  -65.02  287.94  -60.57  188.92
   11.00  -64.27  302.94  -63.21  201.67
   12.00  -64.24  317.94  -66.86  214.78
   13.00  -64.48  332.94  -70.85  229.83
   14.00  -64.97  347.94  -74.82  248.76
   15.00  -65.70    2.94  -78.22  275.11
   16.00  -66.66   17.94  -79.87  311.44
   17.00  -67.85   32.94  -78.97  348.45
   18.00  -67.89   47.94  -75.17   12.49
   19.00  -67.20   62.94  -70.27   27.56
   20.00  -65.81   77.94  -64.80   38.70
   21.00  -64.64   92.94  -59.92   49.66
   22.00  -63.35  107.94  -55.32   60.30
   23.00  -62.11  122.94  -51.31   70.92
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.73  137.94  -62.07   92.88
    1.00  -75.72  152.94  -61.62  101.67
    2.00  -76.59  167.94  -61.56  109.92
    3.00  -77.49  182.94  -61.98  117.71
    4.00  -79.68  197.94  -64.19  124.85
    5.00  -80.57  212.94  -65.45  130.97
    6.00  -80.19  227.94  -65.80  137.41
    7.00  -79.75  242.94  -66.52  144.13
    8.00  -80.59  257.94  -68.70  148.79
    9.00  -80.58  272.94  -70.44  154.19
   10.00  -80.91  287.94  -72.64  158.03
   11.00  -81.34  302.94  -74.99  160.13
   12.00  -80.77  317.94  -77.21  164.82
   13.00  -80.32  332.94  -79.73  167.56
   14.00  -80.22  347.94  -82.32  164.18
   15.00  -79.76    2.94  -84.84  153.42
   16.00  -79.51   17.94  -85.97  119.20
   17.00  -78.20   32.94  -85.09   74.59
   18.00  -77.92   47.94  -81.73   65.70
   19.00  -78.41   62.94  -78.35   70.40
   20.00  -77.86   77.94  -74.85   72.04
   21.00  -76.21   92.94  -70.64   72.87
   22.00  -75.54  107.94  -67.21   78.65
   23.00  -74.77  122.94  -64.06   85.03
</PRE>


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