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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>
06 Aug 1997 12:26:48 yearsecs  18793608
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.70  248.85  -49.01  163.30
    1.00  -61.08  263.85  -52.62  174.02
    2.00  -61.97  278.85  -56.06  185.01
    3.00  -68.09  293.85  -64.49  189.25
    4.00  -67.76  308.85  -67.66  201.04
    5.00  -68.48  323.85  -71.99  212.23
    6.00  -68.52  338.85  -75.82  227.69
    7.00  -68.84  353.85  -79.66  248.62
    8.00  -69.45    8.85  -82.77  282.53
    9.00  -69.69   23.85  -82.67  331.01
   10.00  -69.38   38.85  -79.15    3.71
   11.00  -69.08   53.85  -74.74   22.92
   12.00  -69.02   68.85  -70.52   37.48
   13.00  -69.20   83.85  -66.79   50.27
   14.00  -69.61   98.85  -63.66   62.15
   15.00  -70.13  113.85  -61.12   73.10
   16.00  -69.96  128.85  -58.51   82.47
   17.00  -69.78  143.85  -56.51   91.68
   18.00  -71.10  158.85  -56.56  101.77
   19.00  -70.44  173.85  -55.09  110.62
   20.00  -69.66  188.85  -53.98  119.71
   21.00  -67.90  203.85  -52.48  129.16
   22.00  -64.06  218.85  -49.69  139.79
   23.00  -61.60  233.85  -48.87  151.23
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.70  248.85  -53.66  160.53
    1.00  -66.08  263.85  -57.13  170.19
    2.00  -66.97  278.85  -60.51  179.98
    3.00  -74.21  293.85  -69.38  178.12
    4.00  -76.66  308.85  -74.01  179.00
    5.00  -77.11  323.85  -77.39  183.35
    6.00  -76.05  338.85  -80.46  194.82
    7.00  -74.90  353.85  -83.85  212.41
    8.00  -75.12    8.85  -87.88  230.67
    9.00  -75.24   23.85  -87.75   22.56
   10.00  -75.03   38.85  -83.51   37.92
   11.00  -75.20   53.85  -79.46   49.10
   12.00  -75.63   68.85  -75.78   59.18
   13.00  -75.46   83.85  -72.09   66.23
   14.00  -75.30   98.85  -68.73   73.49
   15.00  -75.13  113.85  -65.82   80.88
   16.00  -74.96  128.85  -63.40   88.39
   17.00  -74.78  143.85  -61.50   96.06
   18.00  -76.18  158.85  -61.66  105.06
   19.00  -76.46  173.85  -61.18  112.84
   20.00  -75.36  188.85  -59.74  120.32
   21.00  -72.90  203.85  -57.43  128.60
   22.00  -69.06  218.85  -54.45  138.44
   23.00  -66.60  233.85  -53.53  149.13
</PRE>


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