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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>
31 Jul 1997 01:37:52 yearsecs  18236272
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.88   47.00  -65.74  357.66
    1.00  -60.56   62.00  -62.57   15.01
    2.00  -61.24   77.00  -59.69   30.50
    3.00  -61.92   92.00  -57.08   45.03
    4.00  -60.97  107.00  -52.91   56.87
    5.00  -61.97  122.00  -51.31   70.07
    6.00  -63.04  137.00  -50.35   82.17
    7.00  -63.58  152.00  -49.44   93.24
    8.00  -64.32  167.00  -49.22  104.10
    9.00  -63.89  182.00  -48.27  114.43
   10.00  -63.40  197.00  -47.84  124.78
   11.00  -63.16  212.00  -48.31  135.21
   12.00  -63.16  227.00  -49.59  145.74
   13.00  -63.40  242.00  -51.55  156.34
   14.00  -63.86  257.00  -54.08  166.95
   15.00  -64.56  272.00  -57.14  177.45
   16.00  -65.47  287.00  -60.78  187.68
   17.00  -66.62  302.00  -65.06  197.56
   18.00  -66.58  317.00  -68.68  209.96
   19.00  -65.93  332.00  -71.92  225.98
   20.00  -64.33  347.00  -74.01  248.55
   21.00  -63.21    2.00  -75.52  276.78
   22.00  -61.65   17.00  -74.22  309.58
   23.00  -60.50   32.00  -70.45  337.32
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.96   47.00  -80.03   30.99
    1.00  -73.56   62.00  -76.26   46.45
    2.00  -74.39   77.00  -72.95   59.07
    3.00  -75.03   92.00  -69.96   69.27
    4.00  -76.76  107.00  -68.39   80.77
    5.00  -77.70  122.00  -66.85   89.39
    6.00  -78.18  137.00  -65.47   96.77
    7.00  -77.59  152.00  -63.54  102.91
    8.00  -77.99  167.00  -63.02  110.30
    9.00  -77.98  182.00  -62.51  117.39
   10.00  -77.73  197.00  -62.18  124.54
   11.00  -77.39  212.00  -62.21  131.87
   12.00  -77.09  227.00  -62.75  139.37
   13.00  -76.98  242.00  -63.93  146.84
   14.00  -76.82  257.00  -65.46  154.41
   15.00  -76.34  272.00  -67.15  162.53
   16.00  -76.21  287.00  -69.53  170.13
   17.00  -75.19  302.00  -71.71  180.12
   18.00  -74.96  317.00  -74.83  188.70
   19.00  -75.34  332.00  -78.53  195.28
   20.00  -74.90  347.00  -82.08  207.00
   21.00  -73.60    2.00  -85.32  237.42
   22.00  -73.51   17.00  -87.49  311.79
   23.00  -72.53   32.00  -83.83    6.31
</PRE>


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