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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>
23 Aug 1997 15:44:44 yearsecs  20274284
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.54  200.71  -48.09  127.34
    1.00  -63.81  215.71  -49.20  137.67
    2.00  -64.62  230.71  -51.35  147.82
    3.00  -65.43  245.71  -53.90  157.87
    4.00  -65.32  260.71  -55.95  168.57
    5.00  -66.64  275.71  -59.65  178.10
    6.00  -67.10  290.71  -62.97  188.37
    7.00  -67.18  305.71  -66.41  199.56
    8.00  -67.96  320.71  -70.77  210.55
    9.00  -67.54  335.71  -74.22  226.58
   10.00  -66.82  350.71  -77.15  249.05
   11.00  -66.39    5.71  -79.25  280.29
   12.00  -66.22   20.71  -79.16  318.36
   13.00  -66.31   35.71  -76.61  350.35
   14.00  -66.64   50.71  -73.04   12.91
   15.00  -67.21   65.71  -69.53   30.30
   16.00  -68.02   80.71  -66.42   45.33
   17.00  -69.00   95.71  -63.77   58.84
   18.00  -68.78  110.71  -60.38   69.15
   19.00  -68.14  125.71  -57.14   78.55
   20.00  -66.83  140.71  -53.84   87.43
   21.00  -65.49  155.71  -51.11   96.78
   22.00  -64.57  170.71  -49.30  106.75
   23.00  -63.72  185.71  -48.06  116.97
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.68  200.71  -53.15  127.10
    1.00  -70.17  215.71  -55.30  136.17
    2.00  -71.44  230.71  -57.70  144.76
    3.00  -73.71  245.71  -61.37  151.91
    4.00  -76.67  260.71  -65.82  156.44
    5.00  -77.63  275.71  -68.71  161.82
    6.00  -77.04  290.71  -70.76  169.89
    7.00  -76.45  305.71  -73.25  178.28
    8.00  -77.40  320.71  -76.82  180.91
    9.00  -77.11  335.71  -80.02  187.27
   10.00  -77.20  350.71  -83.50  189.11
   11.00  -76.97    5.71  -87.05  184.15
   12.00  -76.69   20.71  -88.45   75.52
   13.00  -76.45   35.71  -84.73   51.61
   14.00  -76.54   50.71  -80.81   56.07
   15.00  -76.09   65.71  -76.82   59.68
   16.00  -76.00   80.71  -73.17   66.39
   17.00  -74.61   95.71  -68.83   70.22
   18.00  -73.84  110.71  -65.20   76.91
   19.00  -73.59  125.71  -62.53   84.86
   20.00  -72.01  140.71  -59.08   91.66
   21.00  -70.49  155.71  -56.18   99.50
   22.00  -69.57  170.71  -54.34  108.37
   23.00  -68.72  185.71  -53.06  117.63
</PRE>


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