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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>
13 Jul 1997 17:18:06 yearsecs  16737486
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.12  174.49  -48.70  109.25
    1.00  -64.60  189.49  -48.92  119.67
    2.00  -65.67  204.49  -50.33  129.78
    3.00  -66.74  219.49  -52.30  139.52
    4.00  -66.54  234.49  -53.55  149.59
    5.00  -67.42  249.49  -56.20  159.21
    6.00  -67.48  264.49  -58.47  169.39
    7.00  -67.37  279.49  -60.98  179.97
    8.00  -68.07  294.49  -64.61  189.74
    9.00  -67.83  309.49  -67.87  201.43
   10.00  -67.44  324.49  -71.30  215.14
   11.00  -67.25  339.49  -74.91  231.84
   12.00  -67.28  354.49  -78.37  254.46
   13.00  -67.54    9.49  -80.80  288.05
   14.00  -68.02   24.49  -80.74  329.62
   15.00  -68.73   39.49  -78.32    2.68
   16.00  -69.63   54.49  -75.09   25.29
   17.00  -70.48   69.49  -71.73   41.88
   18.00  -70.28   84.49  -67.66   53.08
   19.00  -69.64   99.49  -63.55   62.66
   20.00  -68.75  114.49  -59.64   71.70
   21.00  -67.78  129.49  -56.21   80.72
   22.00  -66.02  144.49  -52.62   89.43
   23.00  -64.59  159.49  -49.93   98.97
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.12  174.49  -53.73  110.61
    1.00  -70.47  189.49  -54.79  120.18
    2.00  -71.70  204.49  -56.26  129.13
    3.00  -76.46  219.49  -61.66  135.98
    4.00  -78.86  234.49  -65.00  141.46
    5.00  -79.30  249.49  -66.75  147.49
    6.00  -78.71  264.49  -67.97  154.83
    7.00  -78.18  279.49  -69.68  162.29
    8.00  -78.59  294.49  -72.38  167.19
    9.00  -78.36  309.49  -74.97  173.27
   10.00  -78.58  324.49  -77.98  176.49
   11.00  -78.34  339.49  -81.03  179.99
   12.00  -78.21  354.49  -84.21  178.03
   13.00  -77.76    9.49  -87.32  159.33
   14.00  -77.53   24.49  -87.16   79.96
   15.00  -76.99   39.49  -83.77   57.70
   16.00  -76.96   54.49  -79.97   60.01
   17.00  -76.37   69.49  -76.03   62.61
   18.00  -76.51   84.49  -72.65   69.85
   19.00  -75.74   99.49  -68.97   74.87
   20.00  -75.00  114.49  -65.60   80.99
   21.00  -73.03  129.49  -61.46   86.28
   22.00  -71.02  144.49  -57.69   93.05
   23.00  -69.59  159.49  -55.00  101.34
</PRE>


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