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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>
20 Sep 1997 13:25:12 yearsecs  22685112
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.20  230.49  -46.18  149.60
    1.00  -59.82  245.49  -48.65  160.68
    2.00  -60.44  260.49  -51.48  171.84
    3.00  -61.05  275.49  -54.61  183.14
    4.00  -60.38  290.49  -56.89  195.88
    5.00  -61.35  305.49  -61.14  207.54
    6.00  -62.63  320.49  -66.04  219.65
    7.00  -63.49  335.49  -70.57  234.56
    8.00  -63.69  350.49  -74.12  255.15
    9.00  -63.17    5.49  -75.83  284.03
   10.00  -62.76   20.49  -75.19  316.90
   11.00  -62.57   35.49  -72.21  344.69
   12.00  -62.60   50.49  -68.30    5.29
   13.00  -62.86   65.49  -64.58   21.89
   14.00  -63.34   80.49  -61.38   36.83
   15.00  -64.05   95.49  -58.70   50.95
   16.00  -64.98  110.49  -56.55   64.21
   17.00  -66.14  125.49  -55.12   76.44
   18.00  -66.16  140.49  -53.18   86.81
   19.00  -65.36  155.49  -51.00   96.57
   20.00  -63.76  170.49  -48.50  106.36
   21.00  -62.63  185.49  -46.97  116.69
   22.00  -61.01  200.49  -45.60  127.28
   23.00  -59.88  215.49  -45.40  138.28
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.70  230.49  -58.86  143.95
    1.00  -73.38  245.49  -61.04  152.09
    2.00  -74.24  260.49  -63.73  159.62
    3.00  -74.89  275.49  -66.55  166.85
    4.00  -76.45  290.49  -70.32  171.24
    5.00  -77.56  305.49  -73.81  174.63
    6.00  -77.69  320.49  -76.89  179.60
    7.00  -77.27  335.49  -80.01  186.23
    8.00  -77.46  350.49  -83.44  186.68
    9.00  -77.51    5.49  -86.77  174.82
   10.00  -77.20   20.49  -88.11   90.22
   11.00  -76.85   35.49  -84.79   56.44
   12.00  -76.55   50.49  -80.87   56.07
   13.00  -76.43   65.49  -77.03   61.14
   14.00  -76.28   80.49  -73.40   67.25
   15.00  -75.86   95.49  -69.85   73.16
   16.00  -75.81  110.49  -66.99   80.45
   17.00  -75.03  125.49  -63.93   86.75
   18.00  -74.79  140.49  -61.85   94.29
   19.00  -74.87  155.49  -60.59  102.33
   20.00  -74.46  170.49  -59.29  110.19
   21.00  -73.28  185.49  -57.66  118.18
   22.00  -73.24  200.49  -57.68  126.66
   23.00  -72.30  215.49  -57.36  135.43
</PRE>


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