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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>
08 Apr 1997 11:26:12 yearsecs   8421972
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.50  260.96  -53.45  170.83
    1.00  -63.04  275.96  -56.49  181.81
    2.00  -63.59  290.96  -59.92  192.91
    3.00  -64.13  305.96  -63.80  204.38
    4.00  -63.79  320.96  -67.22  218.37
    5.00  -65.09  335.96  -72.15  232.23
    6.00  -65.50  350.96  -75.97  252.49
    7.00  -65.54    5.96  -78.38  282.19
    8.00  -66.12   20.96  -79.02  318.93
    9.00  -65.48   35.96  -75.60  349.33
   10.00  -65.07   50.96  -71.18    9.96
   11.00  -64.88   65.96  -66.87   25.82
   12.00  -64.91   80.96  -63.06   39.80
   13.00  -65.17   95.96  -59.81   52.94
   14.00  -65.66  110.96  -57.16   65.37
   15.00  -66.36  125.96  -55.29   76.99
   16.00  -67.30  140.96  -54.29   87.95
   17.00  -68.45  155.96  -54.10   98.49
   18.00  -68.17  170.96  -52.93  108.06
   19.00  -67.79  185.96  -52.12  117.67
   20.00  -66.44  200.96  -50.95  127.38
   21.00  -65.34  215.96  -50.69  137.51
   22.00  -64.14  230.96  -50.92  148.18
   23.00  -62.95  245.96  -51.65  159.45
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.64  260.96  -58.94  165.93
    1.00  -69.83  275.96  -62.45  174.57
    2.00  -70.84  290.96  -66.18  182.88
    3.00  -71.90  305.96  -70.26  190.58
    4.00  -74.59  320.96  -75.53  192.22
    5.00  -76.22  335.96  -79.82  192.54
    6.00  -75.66  350.96  -83.35  203.40
    7.00  -75.03    5.96  -87.08  225.85
    8.00  -76.26   20.96  -88.61   58.02
    9.00  -76.03   35.96  -84.61   46.64
   10.00  -76.18   50.96  -80.63   53.70
   11.00  -76.06   65.96  -76.74   59.67
   12.00  -75.72   80.96  -72.92   65.58
   13.00  -75.60   95.96  -69.56   72.76
   14.00  -75.82  110.96  -66.92   80.71
   15.00  -75.41  125.96  -64.22   87.54
   16.00  -75.28  140.96  -62.29   95.07
   17.00  -73.51  155.96  -59.20  101.60
   18.00  -73.17  170.96  -57.97  109.90
   19.00  -73.91  185.96  -58.29  118.55
   20.00  -73.16  200.96  -57.62  126.93
   21.00  -70.84  215.96  -55.97  136.14
   22.00  -69.90  230.96  -56.29  145.69
   23.00  -68.86  245.96  -57.03  155.87
</PRE>


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