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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>
09 May 1997 03:19:37 yearsecs  11071177
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.85   20.25  -71.80  316.19
    1.00  -60.97   35.25  -70.27  342.79
    2.00  -61.99   50.25  -67.59    4.13
    3.00  -66.74   65.25  -69.15   28.83
    4.00  -66.53   80.25  -64.99   42.03
    5.00  -67.39   95.25  -62.27   55.79
    6.00  -67.44  110.25  -59.13   67.06
    7.00  -67.48  125.25  -56.54   77.58
    8.00  -68.05  140.25  -55.14   88.04
    9.00  -67.83  155.25  -53.53   97.69
   10.00  -67.45  170.25  -52.23  107.35
   11.00  -67.27  185.25  -51.61  117.13
   12.00  -67.30  200.25  -51.78  126.88
   13.00  -67.57  215.25  -52.77  136.54
   14.00  -68.05  230.25  -54.50  146.10
   15.00  -68.76  245.25  -56.85  155.47
   16.00  -69.66  260.25  -59.72  164.50
   17.00  -70.13  275.25  -62.57  173.73
   18.00  -70.30  290.25  -65.58  183.31
   19.00  -69.76  305.25  -68.44  194.59
   20.00  -68.54  320.25  -71.12  208.89
   21.00  -65.92  335.25  -72.72  229.71
   22.00  -63.14  350.25  -73.54  255.66
   23.00  -60.98    5.25  -73.45  285.59
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.85   20.25  -77.63  316.77
    1.00  -65.97   35.25  -76.32  348.92
    2.00  -66.99   50.25  -73.55   13.13
    3.00  -72.64   65.25  -74.71   45.33
    4.00  -75.40   80.25  -72.88   64.17
    5.00  -75.60   95.25  -69.71   72.39
    6.00  -74.98  110.25  -66.31   78.74
    7.00  -74.40  125.25  -63.37   85.73
    8.00  -75.14  140.25  -62.22   94.54
    9.00  -75.02  155.25  -60.75  102.31
   10.00  -75.44  170.25  -60.29  110.51
   11.00  -75.24  185.25  -59.66  118.39
   12.00  -75.52  200.25  -59.98  126.33
   13.00  -75.30  215.25  -60.29  134.28
   14.00  -75.36  230.25  -61.35  142.18
   15.00  -75.09  245.25  -62.55  150.38
   16.00  -75.39  260.25  -64.68  158.00
   17.00  -75.13  275.25  -66.70  166.31
   18.00  -75.52  290.25  -69.63  173.28
   19.00  -74.96  305.25  -72.24  182.44
   20.00  -73.54  320.25  -74.74  195.39
   21.00  -70.92  335.25  -76.75  216.19
   22.00  -68.14  350.25  -78.24  244.66
   23.00  -65.98    5.25  -78.78  279.88
</PRE>


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