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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>
14 Aug 1997 19:15:48 yearsecs  19509348
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.28  140.60  -48.11   83.69
    1.00  -61.89  155.60  -47.43   95.02
    2.00  -62.50  170.60  -47.21  106.07
    3.00  -63.11  185.60  -47.45  116.82
    4.00  -62.48  200.60  -47.05  127.30
    5.00  -63.65  215.60  -49.04  137.63
    6.00  -64.38  230.60  -51.11  147.84
    7.00  -64.64  245.60  -53.16  158.25
    8.00  -65.24  260.60  -55.87  168.55
    9.00  -64.65  275.60  -57.87  180.03
   10.00  -64.19  290.60  -60.39  191.94
   11.00  -64.00  305.60  -63.60  204.25
   12.00  -64.03  320.60  -67.35  217.64
   13.00  -64.29  335.60  -71.34  233.30
   14.00  -64.78  350.60  -75.20  253.36
   15.00  -65.48    5.60  -78.29  281.44
   16.00  -66.41   20.60  -79.38  318.19
   17.00  -67.57   35.60  -78.04  352.83
   18.00  -67.57   50.60  -74.08   14.99
   19.00  -66.91   65.60  -69.23   29.52
   20.00  -65.45   80.60  -63.74   40.40
   21.00  -64.34   95.60  -59.00   51.45
   22.00  -62.97  110.60  -54.40   62.03
   23.00  -61.80  125.60  -50.58   72.73
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.38  140.60  -61.44   93.92
    1.00  -75.19  155.60  -60.90  102.63
    2.00  -76.03  170.60  -60.87  110.98
    3.00  -76.81  185.60  -61.25  118.87
    4.00  -78.78  200.60  -63.30  126.14
    5.00  -79.71  215.60  -64.69  132.52
    6.00  -79.50  230.60  -65.32  139.15
    7.00  -79.05  245.60  -66.14  146.15
    8.00  -79.72  260.60  -68.30  151.39
    9.00  -79.67  275.60  -70.16  157.31
   10.00  -79.66  290.60  -72.35  162.66
   11.00  -79.50  305.60  -74.74  167.82
   12.00  -79.23  320.60  -77.38  172.57
   13.00  -79.05  335.60  -80.26  175.23
   14.00  -79.00  350.60  -83.21  172.61
   15.00  -78.58    5.60  -86.10  159.64
   16.00  -78.41   20.60  -86.97  105.43
   17.00  -77.25   35.60  -84.73   61.30
   18.00  -77.03   50.60  -80.96   59.43
   19.00  -77.46   65.60  -77.45   66.18
   20.00  -76.96   80.60  -73.78   69.67
   21.00  -75.47   95.60  -69.54   72.25
   22.00  -75.05  110.60  -66.31   79.05
   23.00  -74.21  125.60  -63.14   85.65
</PRE>


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