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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>
20 Mar 1997 13:37:44 yearsecs   6788264
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.95  230.32  -52.55  147.03
    1.00  -66.03  245.32  -54.39  157.25
    2.00  -66.85  260.32  -57.26  167.06
    3.00  -67.67  275.32  -60.47  176.70
    4.00  -67.30  290.32  -63.06  187.82
    5.00  -67.99  305.32  -67.01  197.88
    6.00  -67.98  320.32  -70.69  210.16
    7.00  -68.44  335.32  -74.87  223.84
    8.00  -69.51  350.32  -79.43  240.22
    9.00  -69.68    5.32  -82.57  271.53
   10.00  -69.30   20.32  -82.65  319.59
   11.00  -68.96   35.32  -79.61  356.09
   12.00  -68.88   50.32  -75.53   18.24
   13.00  -69.05   65.32  -71.51   34.35
   14.00  -69.46   80.32  -67.94   48.08
   15.00  -70.12   95.32  -64.94   60.57
   16.00  -70.76  110.32  -62.39   71.71
   17.00  -70.85  125.32  -59.92   81.25
   18.00  -70.98  140.32  -58.09   90.50
   19.00  -70.30  155.32  -56.02   99.15
   20.00  -69.45  170.32  -54.24  108.09
   21.00  -68.68  185.32  -53.02  117.38
   22.00  -68.06  200.32  -52.52  126.89
   23.00  -67.15  215.32  -52.38  136.68
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.97  230.32  -58.16  144.25
    1.00  -73.09  245.32  -60.76  152.23
    2.00  -73.87  260.32  -63.39  159.98
    3.00  -79.05  275.32  -69.69  158.61
    4.00  -80.85  290.32  -72.94  158.91
    5.00  -81.25  305.32  -75.32  160.91
    6.00  -80.59  320.32  -77.58  165.91
    7.00  -79.69  335.32  -80.20  171.27
    8.00  -79.73  350.32  -82.91  166.68
    9.00  -79.71    5.32  -85.16  149.72
   10.00  -79.46   20.32  -85.92  112.48
   11.00  -79.49   35.32  -83.99   85.21
   12.00  -79.71   50.32  -81.09   78.52
   13.00  -79.51   65.32  -78.06   76.64
   14.00  -79.31   80.32  -75.02   78.50
   15.00  -79.11   95.32  -72.14   82.26
   16.00  -78.91  110.32  -69.54   87.10
   17.00  -78.70  125.32  -67.29   92.62
   18.00  -79.72  140.32  -66.58  100.40
   19.00  -79.99  155.32  -65.67  106.83
   20.00  -79.25  170.32  -64.14  112.60
   21.00  -77.53  185.32  -61.99  118.87
   22.00  -74.84  200.32  -59.29  126.43
   23.00  -73.19  215.32  -58.21  135.05
</PRE>


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