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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>
25 Oct 1997 01:01:34 yearsecs  25664494
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.44   54.17  -64.51    6.57
    1.00  -61.69   69.17  -62.18   23.71
    2.00  -62.80   84.17  -59.88   39.31
    3.00  -63.92   99.17  -57.76   53.84
    4.00  -63.53  114.17  -54.32   65.45
    5.00  -64.80  129.17  -53.20   77.86
    6.00  -65.27  144.17  -51.88   88.72
    7.00  -65.27  159.17  -50.65   99.05
    8.00  -65.95  174.17  -50.55  109.51
    9.00  -65.36  189.17  -49.68  119.51
   10.00  -64.89  204.17  -49.55  129.62
   11.00  -64.70  219.17  -50.33  139.84
   12.00  -64.74  234.17  -51.84  150.17
   13.00  -65.00  249.17  -53.97  160.57
   14.00  -65.48  264.17  -56.65  170.92
   15.00  -66.18  279.17  -59.88  181.08
   16.00  -67.06  294.17  -63.67  190.97
   17.00  -65.22  309.17  -65.54  205.50
   18.00  -65.08  324.17  -69.19  219.39
   19.00  -66.15  339.17  -73.88  234.00
   20.00  -65.54  354.17  -76.65  257.92
   21.00  -63.01    9.17  -75.88  292.09
   22.00  -61.96   24.17  -73.77  324.15
   23.00  -60.68   39.17  -68.91  348.28
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.44   54.17  -70.73   14.45
    1.00  -66.69   69.17  -68.04   32.45
    2.00  -67.80   84.17  -65.33   47.72
    3.00  -68.94   99.17  -62.94   61.25
    4.00  -72.30  114.17  -63.16   76.41
    5.00  -73.52  129.17  -61.98   86.70
    6.00  -72.56  144.17  -59.27   94.16
    7.00  -71.39  159.17  -56.83  102.12
    8.00  -72.07  174.17  -56.73  111.34
    9.00  -72.18  189.17  -56.51  120.15
   10.00  -72.48  204.17  -57.02  128.84
   11.00  -72.45  219.17  -57.73  137.50
   12.00  -72.17  234.17  -58.71  146.40
   13.00  -72.16  249.17  -60.40  155.30
   14.00  -72.50  264.17  -62.78  163.87
   15.00  -72.10  279.17  -64.93  173.43
   16.00  -72.06  294.17  -67.81  182.73
   17.00  -70.22  309.17  -69.72  196.50
   18.00  -70.08  324.17  -73.31  208.57
   19.00  -71.15  339.17  -77.91  219.39
   20.00  -70.54  354.17  -81.18  242.50
   21.00  -68.01    9.17  -81.28  286.40
   22.00  -66.96   24.17  -79.59  327.42
   23.00  -65.68   39.17  -75.04  354.92
</PRE>


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