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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 Sep 1997 14:59:56 yearsecs  21308396
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.35  210.79  -46.48  134.63
    1.00  -61.96  225.79  -48.33  145.26
    2.00  -62.57  240.79  -50.62  155.87
    3.00  -63.17  255.79  -53.27  166.52
    4.00  -62.56  270.79  -55.14  178.25
    5.00  -63.73  285.79  -58.99  188.70
    6.00  -64.44  300.79  -62.86  199.69
    7.00  -64.69  315.79  -66.72  212.10
    8.00  -65.30  330.79  -71.05  225.90
    9.00  -64.70  345.79  -74.10  246.04
   10.00  -64.24    0.79  -76.44  272.91
   11.00  -64.05   15.79  -77.03  306.45
   12.00  -64.09   30.79  -75.10  338.23
   13.00  -64.35   45.79  -71.73    2.12
   14.00  -64.83   60.79  -68.20   20.49
   15.00  -65.54   75.79  -65.05   36.27
   16.00  -66.47   90.79  -62.36   50.73
   17.00  -67.62  105.79  -60.21   64.06
   18.00  -67.63  120.79  -57.40   74.68
   19.00  -66.96  135.79  -54.55   84.23
   20.00  -65.51  150.79  -51.52   93.42
   21.00  -64.40  165.79  -49.37  103.28
   22.00  -63.04  180.79  -47.44  113.43
   23.00  -61.87  195.79  -46.30  123.91
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.12  210.79  -57.92  132.50
    1.00  -74.01  225.79  -59.71  140.57
    2.00  -74.92  240.79  -61.92  148.14
    3.00  -75.77  255.79  -64.41  155.18
    4.00  -77.92  270.79  -68.21  159.05
    5.00  -78.93  285.79  -71.16  162.99
    6.00  -78.69  300.79  -73.53  169.13
    7.00  -78.21  315.79  -76.13  175.85
    8.00  -78.82  330.79  -79.28  176.32
    9.00  -78.81  345.79  -82.31  175.93
   10.00  -78.69    0.79  -85.24  166.82
   11.00  -78.42   15.79  -87.17  125.91
   12.00  -78.06   30.79  -85.60   75.48
   13.00  -77.90   45.79  -82.24   65.66
   14.00  -77.87   60.79  -78.70   66.98
   15.00  -77.41   75.79  -75.10   69.47
   16.00  -77.24   90.79  -71.80   74.84
   17.00  -75.97  105.79  -67.95   78.46
   18.00  -75.74  120.79  -65.26   85.43
   19.00  -76.24  135.79  -63.77   93.58
   20.00  -75.70  150.79  -61.78  100.55
   21.00  -74.12  165.79  -59.18  107.44
   22.00  -73.73  180.79  -58.21  115.63
   23.00  -72.93  195.79  -57.29  124.00
</PRE>


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