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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>
10 Feb 1997 00:49:45 yearsecs   3458985
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.35   65.55  -57.26   14.59
    1.00  -57.78   80.55  -54.41   29.34
    2.00  -58.20   95.55  -51.92   43.68
    3.00  -58.63  110.55  -49.64   57.54
    4.00  -58.73  125.55  -47.31   70.29
    5.00  -59.56  140.55  -46.31   82.63
    6.00  -61.36  155.55  -46.89   94.75
    7.00  -62.80  170.55  -47.52  106.12
    8.00  -62.52  185.55  -46.86  116.71
    9.00  -62.01  200.55  -46.58  127.28
   10.00  -61.59  215.55  -47.06  138.00
   11.00  -61.40  230.55  -48.30  148.89
   12.00  -61.44  245.55  -50.19  159.93
   13.00  -61.70  260.55  -52.65  171.06
   14.00  -62.18  275.55  -55.64  182.24
   15.00  -62.88  290.55  -59.20  193.36
   16.00  -63.82  305.55  -63.42  204.46
   17.00  -64.97  320.55  -68.17  216.05
   18.00  -65.16  335.55  -72.11  231.61
   19.00  -63.91  350.55  -74.35  254.85
   20.00  -62.26    5.55  -74.86  285.05
   21.00  -61.08   20.55  -73.22  316.83
   22.00  -59.29   35.55  -68.04  341.93
   23.00  -58.19   50.55  -62.44  360.00
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.28   65.55  -74.35   44.29
    1.00  -73.14   80.55  -71.13   57.48
    2.00  -74.01   95.55  -68.37   68.73
    3.00  -74.53  110.55  -65.86   78.06
    4.00  -75.47  125.55  -64.34   87.42
    5.00  -76.68  140.55  -63.68   96.45
    6.00  -76.96  155.55  -62.67  104.04
    7.00  -76.48  170.55  -61.33  111.17
    8.00  -76.31  185.55  -60.74  118.74
    9.00  -76.52  200.55  -60.99  126.38
   10.00  -76.05  215.55  -61.04  134.15
   11.00  -75.69  230.55  -61.69  142.12
   12.00  -75.44  245.55  -62.90  150.20
   13.00  -75.25  260.55  -64.60  158.34
   14.00  -75.20  275.55  -66.81  166.34
   15.00  -74.94  290.55  -69.26  174.74
   16.00  -75.15  305.55  -72.43  182.06
   17.00  -75.09  320.55  -75.71  190.18
   18.00  -74.72  335.55  -79.12  200.40
   19.00  -74.03  350.55  -82.61  216.42
   20.00  -73.67    5.55  -86.20  246.07
   21.00  -72.83   20.55  -86.47  330.12
   22.00  -72.92   35.55  -83.20   15.90
   23.00  -72.07   50.55  -78.35   30.24
</PRE>


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