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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>
27 Mar 1997 12:11:31 yearsecs   7387891
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.09  250.50  -52.41  162.68
    1.00  -63.40  265.50  -55.00  173.57
    2.00  -64.03  280.50  -58.22  184.33
    3.00  -64.66  295.50  -61.86  195.19
    4.00  -64.39  310.50  -65.14  207.87
    5.00  -65.64  325.50  -70.02  219.69
    6.00  -65.96  340.50  -74.03  236.12
    7.00  -65.95  355.50  -77.29  259.49
    8.00  -66.53   10.50  -79.77  291.99
    9.00  -65.95   25.50  -78.24  329.44
   10.00  -65.53   40.50  -74.53  356.71
   11.00  -65.34   55.50  -70.25   15.76
   12.00  -65.38   70.50  -66.24   31.11
   13.00  -65.64   85.50  -62.74   44.94
   14.00  -66.12  100.50  -59.80   57.93
   15.00  -66.83  115.50  -57.51   70.08
   16.00  -67.76  130.50  -56.06   81.38
   17.00  -68.88  145.50  -55.43   92.05
   18.00  -68.87  160.50  -54.20  101.61
   19.00  -68.20  175.50  -52.77  110.99
   20.00  -66.92  190.50  -51.24  120.53
   21.00  -65.84  205.50  -50.53  130.43
   22.00  -64.70  220.50  -50.43  140.76
   23.00  -63.57  235.50  -50.91  151.61
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.66  250.50  -57.45  158.98
    1.00  -69.87  265.50  -60.72  167.69
    2.00  -70.90  280.50  -64.18  176.05
    3.00  -72.59  295.50  -68.50  182.50
    4.00  -75.57  310.50  -73.74  183.32
    5.00  -76.18  325.50  -77.38  188.17
    6.00  -75.84  340.50  -80.79  196.87
    7.00  -75.22  355.50  -84.39  210.55
    8.00  -76.40   10.50  -88.38  187.74
    9.00  -76.16   25.50  -87.44   47.88
   10.00  -76.37   40.50  -83.45   51.64
   11.00  -76.25   55.50  -79.48   55.99
   12.00  -75.98   70.50  -75.58   61.45
   13.00  -75.84   85.50  -71.98   68.21
   14.00  -76.05  100.50  -69.02   76.09
   15.00  -75.67  115.50  -66.03   82.68
   16.00  -75.61  130.50  -63.80   90.11
   17.00  -74.13  145.50  -60.69   96.32
   18.00  -73.92  160.50  -59.29  104.40
   19.00  -74.46  175.50  -59.09  112.92
   20.00  -73.64  190.50  -57.98  121.04
   21.00  -71.30  205.50  -55.89  129.78
   22.00  -70.12  220.50  -55.59  139.12
   23.00  -68.99  235.50  -55.92  149.03
</PRE>


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