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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>
02 Jan 1997 03:41:03 yearsecs     99663
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.04   17.64  -71.13  311.21
    1.00  -60.26   32.64  -70.01  338.18
    2.00  -61.35   47.64  -67.50    0.15
    3.00  -64.88   62.64  -67.76   22.49
    4.00  -65.28   77.64  -64.29   37.47
    5.00  -66.39   92.64  -61.84   52.09
    6.00  -66.61  107.64  -58.80   64.06
    7.00  -66.48  122.64  -55.93   74.77
    8.00  -67.15  137.64  -54.52   85.62
    9.00  -66.68  152.64  -52.56   95.32
   10.00  -66.26  167.64  -51.16  105.21
   11.00  -66.07  182.64  -50.45  115.22
   12.00  -66.11  197.64  -50.53  125.20
   13.00  -66.37  212.64  -51.44  135.08
   14.00  -66.85  227.64  -53.12  144.87
   15.00  -67.56  242.64  -55.43  154.51
   16.00  -68.49  257.64  -58.30  163.85
   17.00  -67.61  272.64  -59.95  174.90
   18.00  -67.74  287.64  -62.89  185.28
   19.00  -67.74  302.64  -66.16  196.27
   20.00  -66.47  317.64  -68.74  210.73
   21.00  -63.65  332.64  -70.02  230.93
   22.00  -61.60  347.64  -71.49  253.91
   23.00  -59.80    2.64  -71.98  281.52
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.04   17.64  -76.91  310.70
    1.00  -65.26   32.64  -76.10  343.10
    2.00  -66.35   47.64  -73.56    8.40
    3.00  -69.88   62.64  -73.06   34.17
    4.00  -73.16   77.64  -71.87   55.65
    5.00  -73.84   92.64  -68.86   66.65
    6.00  -72.73  107.64  -64.77   73.23
    7.00  -72.18  122.64  -61.63   81.26
    8.00  -73.50  137.64  -60.90   91.37
    9.00  -73.35  152.64  -59.29   99.61
   10.00  -73.82  167.64  -58.78  108.31
   11.00  -73.69  182.64  -58.12  116.65
   12.00  -73.70  197.64  -58.09  125.03
   13.00  -73.57  212.64  -58.44  133.42
   14.00  -73.82  227.64  -59.67  141.70
   15.00  -73.48  242.64  -60.81  150.37
   16.00  -73.68  257.64  -62.85  158.70
   17.00  -72.61  272.64  -64.22  168.77
   18.00  -72.74  287.64  -67.03  177.47
   19.00  -72.74  302.64  -70.14  186.55
   20.00  -71.47  317.64  -72.71  199.70
   21.00  -68.65  332.64  -74.36  220.38
   22.00  -66.60  347.64  -76.28  244.69
   23.00  -64.80    2.64  -77.26  275.89
</PRE>


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