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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 Mar 1997 14:40:48 yearsecs   7051248
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.80  215.52  -48.22  137.74
    1.00  -63.27  230.52  -50.06  148.20
    2.00  -63.84  245.52  -52.41  158.64
    3.00  -64.40  260.52  -55.10  169.13
    4.00  -64.11  275.52  -57.37  180.48
    5.00  -65.41  290.52  -61.46  190.41
    6.00  -65.76  305.52  -65.14  201.65
    7.00  -65.64  320.52  -68.75  214.87
    8.00  -66.35  335.52  -73.15  229.12
    9.00  -65.78  350.52  -76.14  251.17
   10.00  -65.31    5.52  -78.10  281.49
   11.00  -65.12   20.52  -77.91  317.47
   12.00  -65.15   35.52  -75.31  348.03
   13.00  -65.41   50.52  -71.69   10.08
   14.00  -65.89   65.52  -68.14   27.32
   15.00  -66.60   80.52  -65.00   42.40
   16.00  -67.53   95.52  -62.35   56.22
   17.00  -68.13  110.52  -59.77   68.15
   18.00  -67.97  125.52  -57.00   78.26
   19.00  -68.01  140.52  -55.06   88.19
   20.00  -66.69  155.52  -52.35   97.26
   21.00  -65.60  170.52  -50.35  106.93
   22.00  -64.43  185.52  -48.77  116.93
   23.00  -63.26  200.52  -47.81  127.22
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.57  215.52  -53.75  136.47
    1.00  -69.83  230.52  -56.17  145.45
    2.00  -70.88  245.52  -58.79  154.13
    3.00  -72.18  260.52  -61.96  162.07
    4.00  -75.26  275.52  -66.86  166.21
    5.00  -76.31  290.52  -70.23  171.58
    6.00  -75.43  305.52  -72.60  181.24
    7.00  -74.50  320.52  -75.37  192.31
    8.00  -75.19  335.52  -79.32  197.97
    9.00  -75.21  350.52  -83.10  207.06
   10.00  -75.46    5.52  -87.10  216.31
   11.00  -75.39   20.52  -88.70   16.98
   12.00  -75.09   35.52  -84.47   35.76
   13.00  -75.00   50.52  -80.26   45.87
   14.00  -75.28   65.52  -76.43   55.97
   15.00  -74.90   80.52  -72.46   62.71
   16.00  -74.81   95.52  -69.03   70.60
   17.00  -73.13  110.52  -64.60   75.60
   18.00  -72.97  125.52  -61.97   83.96
   19.00  -73.85  140.52  -60.93   93.32
   20.00  -73.23  155.52  -58.94  101.15
   21.00  -70.91  170.52  -55.71  108.75
   22.00  -69.88  185.52  -54.23  117.68
   23.00  -68.84  200.52  -53.30  126.97
</PRE>


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