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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
29 Apr 1997 12:15:34 yearsecs  10239334
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.89  249.15  -50.18  162.91
    1.00  -62.23  264.15  -53.72  173.43
    2.00  -63.11  279.15  -57.14  184.20
    3.00  -67.23  294.15  -63.82  190.72
    4.00  -67.21  309.15  -67.27  202.24
    5.00  -68.37  324.15  -71.97  212.76
    6.00  -68.98  339.15  -76.27  226.69
    7.00  -69.86  354.15  -80.61  245.38
    8.00  -69.69    9.15  -83.05  282.83
    9.00  -69.42   24.15  -82.34  331.26
   10.00  -68.74   39.15  -78.42    2.15
   11.00  -68.16   54.15  -73.72   20.67
   12.00  -67.88   69.15  -69.30   35.02
   13.00  -67.90   84.15  -65.44   47.90
   14.00  -68.20   99.15  -62.21   60.05
   15.00  -68.79  114.15  -59.74   71.52
   16.00  -69.38  129.15  -57.89   82.06
   17.00  -69.41  144.15  -56.10   91.58
   18.00  -69.48  159.15  -54.91  101.07
   19.00  -68.73  174.15  -53.36  110.28
   20.00  -67.94  189.15  -52.26  119.74
   21.00  -67.21  204.15  -51.82  129.41
   22.00  -64.99  219.15  -50.60  139.76
   23.00  -62.67  234.15  -49.91  151.02
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.89  249.15  -54.78  159.99
    1.00  -67.23  264.15  -58.20  169.38
    2.00  -68.11  279.15  -61.55  178.85
    3.00  -75.00  294.15  -70.00  176.49
    4.00  -77.34  309.15  -74.42  176.81
    5.00  -77.47  324.15  -77.58  181.80
    6.00  -77.09  339.15  -80.80  188.30
    7.00  -75.90  354.15  -84.22  202.64
    8.00  -76.08    9.15  -88.12  201.49
    9.00  -76.16   24.15  -87.80   48.74
   10.00  -75.93   39.15  -83.72   46.86
   11.00  -76.07   54.15  -79.76   54.34
   12.00  -76.43   69.15  -76.15   62.75
   13.00  -76.25   84.15  -72.55   68.84
   14.00  -76.06   99.15  -69.28   75.46
   15.00  -75.87  114.15  -66.43   82.38
   16.00  -75.68  129.15  -64.05   89.54
   17.00  -75.44  144.15  -62.11   96.88
   18.00  -76.71  159.15  -62.17  105.61
   19.00  -77.00  174.15  -61.72  113.22
   20.00  -75.96  189.15  -60.35  120.54
   21.00  -73.63  204.15  -58.17  128.67
   22.00  -69.99  219.15  -55.37  138.34
   23.00  -67.67  234.15  -54.55  148.82
</PRE>


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