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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
27 Mar 1997 12:11:10 yearsecs   7387870
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.09  250.58  -52.42  162.74
    1.00  -63.40  265.58  -55.01  173.64
    2.00  -64.03  280.58  -58.24  184.39
    3.00  -64.66  295.58  -61.88  195.26
    4.00  -64.39  310.58  -65.16  207.94
    5.00  -65.64  325.58  -70.04  219.78
    6.00  -65.96  340.58  -74.05  236.23
    7.00  -65.95  355.58  -77.31  259.65
    8.00  -66.53   10.58  -79.77  292.20
    9.00  -65.95   25.58  -78.22  329.62
   10.00  -65.53   40.58  -74.51  356.83
   11.00  -65.34   55.58  -70.22   15.86
   12.00  -65.38   70.58  -66.22   31.18
   13.00  -65.64   85.58  -62.72   45.01
   14.00  -66.12  100.58  -59.78   58.00
   15.00  -66.83  115.58  -57.50   70.13
   16.00  -67.76  130.58  -56.04   81.43
   17.00  -68.88  145.58  -55.43   92.10
   18.00  -68.87  160.58  -54.20  101.67
   19.00  -68.20  175.58  -52.77  111.05
   20.00  -66.92  190.58  -51.24  120.58
   21.00  -65.84  205.58  -50.54  130.48
   22.00  -64.70  220.58  -50.44  140.81
   23.00  -63.57  235.58  -50.92  151.67
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.65  250.58  -57.45  159.04
    1.00  -69.86  265.58  -60.72  167.76
    2.00  -70.88  280.58  -64.18  176.13
    3.00  -72.58  295.58  -68.50  182.58
    4.00  -75.56  310.58  -73.75  183.41
    5.00  -76.17  325.58  -77.39  188.29
    6.00  -75.82  340.58  -80.80  197.01
    7.00  -75.21  355.58  -84.41  210.77
    8.00  -76.39   10.58  -88.40  187.87
    9.00  -76.15   25.58  -87.42   47.60
   10.00  -76.36   40.58  -83.43   51.58
   11.00  -76.24   55.58  -79.45   55.98
   12.00  -75.98   70.58  -75.55   61.46
   13.00  -75.84   85.58  -71.96   68.24
   14.00  -76.05  100.58  -69.00   76.12
   15.00  -75.66  115.58  -66.01   82.71
   16.00  -75.60  130.58  -63.79   90.15
   17.00  -74.12  145.58  -60.68   96.36
   18.00  -73.91  160.58  -59.28  104.44
   19.00  -74.46  175.58  -59.09  112.96
   20.00  -73.63  190.58  -57.98  121.09
   21.00  -71.29  205.58  -55.89  129.83
   22.00  -70.11  220.58  -55.59  139.18
   23.00  -68.98  235.58  -55.92  149.09
</PRE>


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