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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 15:00:04 yearsecs  21308404
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.35  210.75  -46.48  134.60
    1.00  -61.96  225.75  -48.32  145.23
    2.00  -62.57  240.75  -50.62  155.85
    3.00  -63.17  255.75  -53.26  166.49
    4.00  -62.56  270.75  -55.13  178.22
    5.00  -63.73  285.75  -58.98  188.68
    6.00  -64.44  300.75  -62.85  199.66
    7.00  -64.69  315.75  -66.71  212.06
    8.00  -65.30  330.75  -71.04  225.86
    9.00  -64.70  345.75  -74.09  245.99
   10.00  -64.24    0.75  -76.43  272.84
   11.00  -64.05   15.75  -77.03  306.37
   12.00  -64.09   30.75  -75.11  338.17
   13.00  -64.35   45.75  -71.74    2.07
   14.00  -64.83   60.75  -68.21   20.45
   15.00  -65.54   75.75  -65.05   36.24
   16.00  -66.47   90.75  -62.37   50.70
   17.00  -67.62  105.75  -60.22   64.04
   18.00  -67.63  120.75  -57.41   74.66
   19.00  -66.96  135.75  -54.55   84.21
   20.00  -65.51  150.75  -51.52   93.39
   21.00  -64.40  165.75  -49.37  103.26
   22.00  -63.04  180.75  -47.44  113.41
   23.00  -61.87  195.75  -46.30  123.89
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.12  210.75  -57.91  132.48
    1.00  -74.00  225.75  -59.70  140.55
    2.00  -74.91  240.75  -61.91  148.13
    3.00  -75.77  255.75  -64.41  155.16
    4.00  -77.92  270.75  -68.20  159.04
    5.00  -78.92  285.75  -71.15  162.98
    6.00  -78.69  300.75  -73.52  169.13
    7.00  -78.21  315.75  -76.12  175.85
    8.00  -78.81  330.75  -79.28  176.34
    9.00  -78.81  345.75  -82.30  175.96
   10.00  -78.69    0.75  -85.23  166.90
   11.00  -78.42   15.75  -87.17  126.07
   12.00  -78.06   30.75  -85.61   75.50
   13.00  -77.90   45.75  -82.24   65.64
   14.00  -77.86   60.75  -78.71   66.96
   15.00  -77.41   75.75  -75.10   69.45
   16.00  -77.23   90.75  -71.81   74.82
   17.00  -75.96  105.75  -67.96   78.45
   18.00  -75.73  120.75  -65.27   85.41
   19.00  -76.24  135.75  -63.77   93.57
   20.00  -75.70  150.75  -61.78  100.53
   21.00  -74.12  165.75  -59.18  107.42
   22.00  -73.73  180.75  -58.21  115.61
   23.00  -72.93  195.75  -57.29  123.98
</PRE>


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