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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>
29 Mar 1997 01:27:22 yearsecs   7522042
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.74   50.81  -61.72  359.82
    1.00  -58.21   65.81  -58.40   15.83
    2.00  -58.67   80.81  -55.53   30.66
    3.00  -59.14   95.81  -53.00   44.98
    4.00  -59.07  110.81  -50.09   58.20
    5.00  -59.93  125.81  -48.56   71.41
    6.00  -61.62  140.81  -48.45   84.05
    7.00  -62.95  155.81  -48.50   95.64
    8.00  -62.72  170.81  -47.42  106.28
    9.00  -62.25  185.81  -46.59  116.86
   10.00  -61.84  200.81  -46.42  127.47
   11.00  -61.65  215.81  -47.13  138.17
   12.00  -61.68  230.81  -48.60  148.98
   13.00  -61.94  245.81  -50.70  159.87
   14.00  -62.42  260.81  -53.36  170.77
   15.00  -63.13  275.81  -56.54  181.61
   16.00  -64.06  290.81  -60.31  192.25
   17.00  -65.22  305.81  -64.73  202.71
   18.00  -65.37  320.81  -68.59  215.62
   19.00  -64.22  335.81  -71.32  233.69
   20.00  -62.58  350.81  -73.09  257.44
   21.00  -61.40    5.81  -73.95  286.35
   22.00  -59.65   20.81  -71.49  317.25
   23.00  -58.54   35.81  -66.99  341.79
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.29   50.81  -75.80   20.08
    1.00  -70.14   65.81  -72.42   37.76
    2.00  -71.03   80.81  -69.27   52.12
    3.00  -71.55   95.81  -66.16   63.65
    4.00  -72.70  110.81  -64.15   75.06
    5.00  -74.00  125.81  -62.91   85.47
    6.00  -74.16  140.81  -61.20   93.80
    7.00  -73.12  155.81  -58.82  101.25
    8.00  -73.28  170.81  -58.09  109.86
    9.00  -73.66  185.81  -58.04  118.42
   10.00  -73.29  200.81  -57.74  126.84
   11.00  -73.00  215.81  -58.05  135.39
   12.00  -72.82  230.81  -59.00  144.06
   13.00  -72.73  245.81  -60.50  152.82
   14.00  -72.76  260.81  -62.50  161.59
   15.00  -72.52  275.81  -64.69  170.78
   16.00  -72.81  290.81  -67.71  179.25
   17.00  -72.65  305.81  -70.78  188.73
   18.00  -72.34  320.81  -74.10  199.54
   19.00  -71.81  335.81  -77.51  213.50
   20.00  -71.40  350.81  -81.04  232.87
   21.00  -70.26    5.81  -83.23  270.81
   22.00  -70.24   20.81  -83.64  322.55
   23.00  -69.11   35.81  -79.65  357.49
</PRE>


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