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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>
05 Jun 1997 23:18:37 yearsecs  13475917
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.45   77.47  -63.40   35.89
    1.00  -64.03   92.47  -59.36   48.37
    2.00  -64.99  107.47  -57.16   61.89
    3.00  -65.95  122.47  -55.41   74.12
    4.00  -65.75  137.47  -53.10   84.44
    5.00  -66.78  152.47  -52.68   95.27
    6.00  -66.95  167.47  -51.86  105.34
    7.00  -66.80  182.47  -51.18  115.24
    8.00  -67.47  197.47  -51.87  125.08
    9.00  -67.06  212.47  -52.10  134.84
   10.00  -66.70  227.47  -52.96  144.82
   11.00  -66.46  242.47  -54.42  155.04
   12.00  -66.49  257.47  -56.51  165.36
   13.00  -66.75  272.47  -59.17  175.67
   14.00  -67.24  287.47  -62.42  185.84
   15.00  -67.94  302.47  -66.30  195.81
   16.00  -68.87  317.47  -70.69  205.81
   17.00  -69.88  332.47  -75.27  216.78
   18.00  -69.71  347.47  -78.91  235.17
   19.00  -69.14    2.47  -81.60  265.87
   20.00  -68.03   17.47  -81.43  310.28
   21.00  -67.00   32.47  -78.13  345.69
   22.00  -66.00   47.47  -73.20    7.42
   23.00  -65.09   62.47  -68.04   22.71
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.09   77.47  -69.27   47.30
    1.00  -71.18   92.47  -66.59   60.68
    2.00  -72.20  107.47  -64.31   72.21
    3.00  -75.65  122.47  -64.94   86.13
    4.00  -78.11  137.47  -65.36   96.88
    5.00  -78.63  152.47  -64.53  104.18
    6.00  -77.91  167.47  -62.91  110.47
    7.00  -77.26  182.47  -61.76  117.41
    8.00  -77.84  197.47  -62.30  124.75
    9.00  -77.47  212.47  -62.31  132.07
   10.00  -77.53  227.47  -63.22  139.29
   11.00  -77.44  242.47  -64.39  146.60
   12.00  -77.44  257.47  -66.05  153.74
   13.00  -77.22  272.47  -67.91  161.15
   14.00  -77.29  287.47  -70.36  167.82
   15.00  -76.96  302.47  -72.90  175.29
   16.00  -77.11  317.47  -76.02  180.92
   17.00  -76.44  332.47  -79.08  189.92
   18.00  -76.63  347.47  -82.68  193.77
   19.00  -76.54    2.47  -86.37  195.15
   20.00  -75.61   17.47  -89.57    6.79
   21.00  -73.58   32.47  -84.50   15.95
   22.00  -71.95   47.47  -79.13   26.40
   23.00  -70.59   62.47  -73.75   36.15
</PRE>


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