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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>
04 Mar 1997 21:50:43 yearsecs   5435443
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.97  107.58  -56.06   60.74
    1.00  -63.81  122.58  -53.17   72.16
    2.00  -64.66  137.58  -51.96   83.72
    3.00  -65.50  152.58  -51.36   94.64
    4.00  -65.27  167.58  -50.16  104.82
    5.00  -66.38  182.58  -50.76  115.24
    6.00  -66.61  197.58  -51.02  125.16
    7.00  -66.46  212.58  -51.53  135.02
    8.00  -67.15  227.58  -53.39  144.72
    9.00  -66.68  242.58  -54.63  154.99
   10.00  -66.31  257.58  -56.37  165.58
   11.00  -66.07  272.58  -58.59  176.43
   12.00  -66.10  287.58  -61.45  187.35
   13.00  -66.36  302.58  -64.97  198.40
   14.00  -66.85  317.58  -69.05  209.99
   15.00  -67.55  332.58  -73.45  223.05
   16.00  -68.48  347.58  -77.92  239.44
   17.00  -69.53    2.58  -82.00  264.79
   18.00  -69.41   17.58  -82.97  310.89
   19.00  -68.81   32.58  -80.09  350.21
   20.00  -67.64   47.58  -75.00   11.36
   21.00  -66.59   62.58  -69.71   25.86
   22.00  -65.54   77.58  -64.60   37.88
   23.00  -64.56   92.58  -59.91   49.23
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.77  107.58  -64.82   73.25
    1.00  -73.82  122.58  -63.22   83.46
    2.00  -74.79  137.58  -62.17   92.75
    3.00  -77.28  152.58  -63.19  102.89
    4.00  -79.54  167.58  -64.56  111.60
    5.00  -80.17  182.58  -64.75  118.33
    6.00  -79.64  197.58  -64.14  124.70
    7.00  -79.15  212.58  -64.00  131.45
    8.00  -79.82  227.58  -65.42  137.58
    9.00  -79.60  242.58  -66.36  144.16
   10.00  -79.72  257.58  -67.95  150.19
   11.00  -79.56  272.58  -69.67  156.40
   12.00  -79.39  287.58  -71.72  162.39
   13.00  -79.13  302.58  -74.06  168.23
   14.00  -79.14  317.58  -76.79  172.33
   15.00  -78.77  332.58  -79.64  176.82
   16.00  -78.76  347.58  -82.67  175.90
   17.00  -77.88    2.58  -85.99  174.22
   18.00  -77.88   17.58  -87.71  116.04
   19.00  -77.96   32.58  -85.26   72.05
   20.00  -77.17   47.58  -81.75   59.86
   21.00  -75.33   62.58  -77.21   54.59
   22.00  -74.07   77.58  -72.58   58.39
   23.00  -73.04   92.58  -68.20   64.76
</PRE>


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