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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>
17 Feb 1997 14:51:01 yearsecs   4114261
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.25  210.73  -47.34  134.46
    1.00  -62.80  225.73  -49.12  144.96
    2.00  -63.36  240.73  -51.35  155.45
    3.00  -63.92  255.73  -53.94  165.98
    4.00  -63.52  270.73  -56.00  177.40
    5.00  -64.80  285.73  -59.93  187.50
    6.00  -65.27  300.73  -63.58  198.52
    7.00  -65.27  315.73  -67.22  211.11
    8.00  -65.94  330.73  -71.61  224.57
    9.00  -65.33  345.73  -74.67  244.71
   10.00  -64.89    0.73  -77.10  271.78
   11.00  -64.70   15.73  -77.76  306.16
   12.00  -64.73   30.73  -75.88  338.85
   13.00  -64.99   45.73  -72.51    3.18
   14.00  -65.48   60.73  -68.96   21.67
   15.00  -66.18   75.73  -65.77   37.42
   16.00  -67.11   90.73  -63.04   51.77
   17.00  -68.27  105.73  -60.87   64.94
   18.00  -68.30  120.73  -58.09   75.38
   19.00  -67.61  135.73  -55.22   84.72
   20.00  -66.24  150.73  -52.27   93.79
   21.00  -65.14  165.73  -50.12  103.50
   22.00  -63.90  180.73  -48.30  113.55
   23.00  -62.71  195.73  -47.13  123.89
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.65  210.73  -57.44  132.58
    1.00  -73.71  225.73  -59.42  140.69
    2.00  -74.67  240.73  -61.68  148.33
    3.00  -75.64  255.73  -64.29  155.32
    4.00  -78.09  270.73  -68.33  158.70
    5.00  -79.07  285.73  -71.24  162.58
    6.00  -78.62  300.73  -73.48  169.37
    7.00  -78.06  315.73  -76.06  176.48
    8.00  -78.72  330.73  -79.26  176.84
    9.00  -78.70  345.73  -82.31  176.86
   10.00  -78.69    0.73  -85.23  166.96
   11.00  -78.48   15.73  -87.10  126.11
   12.00  -78.11   30.73  -85.59   76.17
   13.00  -77.94   45.73  -82.25   65.94
   14.00  -78.01   60.73  -78.75   67.79
   15.00  -77.59   75.73  -75.20   70.16
   16.00  -77.41   90.73  -71.93   75.34
   17.00  -75.97  105.73  -67.96   78.44
   18.00  -75.73  120.73  -65.26   85.39
   19.00  -76.36  135.73  -63.89   93.71
   20.00  -75.79  150.73  -61.88  100.61
   21.00  -74.00  165.73  -59.06  107.34
   22.00  -73.39  180.73  -57.86  115.51
   23.00  -72.63  195.73  -57.00  123.97
</PRE>


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