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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>
19 Jun 1997 13:44:13 yearsecs  14651053
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.68  232.38  -46.86  150.85
    1.00  -60.35  247.38  -49.42  161.85
    2.00  -61.01  262.38  -52.32  172.93
    3.00  -61.68  277.38  -55.52  184.11
    4.00  -60.81  292.38  -57.68  197.02
    5.00  -61.81  307.38  -62.02  208.63
    6.00  -62.96  322.38  -66.82  221.05
    7.00  -63.66  337.38  -71.18  236.60
    8.00  -63.84  352.38  -74.65  258.00
    9.00  -63.49    7.38  -76.31  287.77
   10.00  -63.07   22.38  -75.34  320.93
   11.00  -62.88   37.38  -72.14  347.99
   12.00  -62.92   52.38  -68.18    7.98
   13.00  -63.17   67.38  -64.47   24.26
   14.00  -63.65   82.38  -61.29   39.01
   15.00  -64.36   97.38  -58.62   52.95
   16.00  -65.29  112.38  -56.51   66.01
   17.00  -66.44  127.38  -55.16   78.05
   18.00  -66.43  142.38  -53.26   88.28
   19.00  -65.74  157.38  -51.25   98.04
   20.00  -64.15  172.38  -48.81  107.79
   21.00  -63.04  187.38  -47.37  118.06
   22.00  -61.46  202.38  -46.12  128.61
   23.00  -60.31  217.38  -45.98  139.58
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.35  232.38  -56.85  146.35
    1.00  -71.01  247.38  -59.14  155.18
    2.00  -71.92  262.38  -62.01  163.49
    3.00  -72.62  277.38  -65.04  171.57
    4.00  -74.54  292.38  -69.32  176.60
    5.00  -75.74  307.38  -73.17  181.27
    6.00  -75.79  322.38  -76.49  188.39
    7.00  -75.42  337.38  -79.87  197.77
    8.00  -75.70  352.38  -83.72  203.83
    9.00  -75.74    7.38  -87.65  211.54
   10.00  -75.49   22.38  -88.23   26.65
   11.00  -75.14   37.38  -83.97   37.85
   12.00  -74.86   52.38  -79.68   46.19
   13.00  -74.79   67.38  -75.65   54.94
   14.00  -74.66   82.38  -71.85   63.01
   15.00  -74.18   97.38  -68.12   70.16
   16.00  -74.12  112.38  -65.16   78.32
   17.00  -73.09  127.38  -61.81   85.16
   18.00  -72.91  142.38  -59.80   93.46
   19.00  -73.26  157.38  -58.84  102.23
   20.00  -72.73  172.38  -57.46  110.54
   21.00  -71.25  187.38  -55.59  118.99
   22.00  -71.09  202.38  -55.59  127.95
   23.00  -69.94  217.38  -55.19  137.26
</PRE>


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