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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>
03 Aug 1997 13:02:42 yearsecs  18536562
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.11  241.32  -45.46  158.67
    1.00  -57.38  256.32  -47.92  170.35
    2.00  -57.62  271.32  -50.68  182.32
    3.00  -57.85  286.32  -53.70  194.65
    4.00  -58.06  301.32  -57.06  207.40
    5.00  -58.67  316.32  -61.22  220.58
    6.00  -60.44  331.32  -66.66  234.18
    7.00  -61.85  346.32  -71.46  251.60
    8.00  -61.28    1.32  -73.41  277.64
    9.00  -61.00   16.32  -73.52  308.28
   10.00  -60.82   31.32  -71.01  336.42
   11.00  -60.82   46.32  -67.16  357.88
   12.00  -61.01   61.32  -63.33   14.91
   13.00  -61.39   76.32  -60.04   30.07
   14.00  -61.97   91.32  -57.29   44.50
   15.00  -62.76  106.32  -55.01   58.31
   16.00  -63.76  121.32  -53.32   71.17
   17.00  -64.96  136.32  -52.42   83.05
   18.00  -65.24  151.32  -51.20   93.64
   19.00  -63.93  166.32  -48.86  103.48
   20.00  -62.31  181.32  -46.70  113.68
   21.00  -61.09  196.32  -45.54  124.28
   22.00  -59.22  211.32  -44.44  135.31
   23.00  -58.08  226.32  -44.64  146.80
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.21  241.32  -62.24  148.18
    1.00  -76.07  256.32  -64.74  155.07
    2.00  -76.89  271.32  -67.49  161.21
    3.00  -77.40  286.32  -70.24  167.04
    4.00  -78.12  301.32  -73.33  171.18
    5.00  -79.19  316.32  -76.57  171.81
    6.00  -79.28  331.32  -79.43  173.70
    7.00  -78.41  346.32  -82.47  179.06
    8.00  -78.26    1.32  -85.56  171.07
    9.00  -78.41   16.32  -87.18  123.54
   10.00  -77.90   31.32  -85.56   72.72
   11.00  -77.53   46.32  -82.10   62.61
   12.00  -77.27   61.32  -78.39   63.85
   13.00  -77.04   76.32  -74.78   68.20
   14.00  -76.96   91.32  -71.51   74.25
   15.00  -76.74  106.32  -68.49   80.41
   16.00  -76.95  121.32  -66.28   87.74
   17.00  -77.07  136.32  -64.49   94.92
   18.00  -76.81  151.32  -62.84  101.84
   19.00  -76.11  166.32  -61.16  108.82
   20.00  -75.92  181.32  -60.42  116.48
   21.00  -75.38  196.32  -59.78  124.27
   22.00  -75.57  211.32  -60.37  132.12
   23.00  -74.98  226.32  -60.67  140.33
</PRE>


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