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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>
07 Sep 1997 19:25:22 yearsecs  21583522
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.96  137.79  -50.18   82.70
    1.00  -64.34  152.79  -50.16   94.18
    2.00  -65.59  167.79  -50.47  105.08
    3.00  -66.85  182.79  -51.23  115.46
    4.00  -66.62  197.79  -51.04  125.30
    5.00  -67.47  212.79  -52.51  134.97
    6.00  -67.51  227.79  -53.75  144.72
    7.00  -67.43  242.79  -55.34  154.69
    8.00  -68.16  257.79  -58.03  164.23
    9.00  -67.97  272.79  -60.29  174.62
   10.00  -67.60  287.79  -62.80  185.59
   11.00  -67.41  302.79  -65.92  196.93
   12.00  -67.44  317.79  -69.60  209.04
   13.00  -67.70  332.79  -73.62  222.94
   14.00  -68.18  347.79  -77.71  240.68
   15.00  -68.89    2.79  -81.42  267.45
   16.00  -69.77   17.79  -83.35  311.75
   17.00  -70.55   32.79  -81.83  356.86
   18.00  -70.38   47.79  -77.69   20.19
   19.00  -69.84   62.79  -72.97   34.20
   20.00  -68.87   77.79  -68.01   44.72
   21.00  -67.44   92.79  -62.89   53.96
   22.00  -65.18  107.79  -57.29   62.37
   23.00  -63.60  122.79  -52.91   72.13
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.96  137.79  -55.33   86.37
    1.00  -69.34  152.79  -55.25   96.99
    2.00  -70.59  167.79  -55.51  106.96
    3.00  -75.72  182.79  -60.19  117.19
    4.00  -78.23  197.79  -62.70  124.89
    5.00  -78.68  212.79  -63.54  131.75
    6.00  -78.03  227.79  -63.72  139.08
    7.00  -77.42  242.79  -64.40  146.77
    8.00  -77.79  257.79  -66.39  153.37
    9.00  -77.49  272.79  -68.17  160.78
   10.00  -77.60  287.79  -70.62  167.20
   11.00  -77.25  302.79  -73.12  174.54
   12.00  -77.29  317.79  -76.17  180.33
   13.00  -76.90  332.79  -79.30  187.56
   14.00  -76.72  347.79  -82.77  193.06
   15.00  -76.27    2.79  -86.46  199.77
   16.00  -76.31   17.79  -89.29   86.49
   17.00  -75.83   32.79  -85.44   42.91
   18.00  -76.22   47.79  -81.48   52.74
   19.00  -75.55   62.79  -77.27   55.73
   20.00  -74.57   77.79  -72.89   60.14
   21.00  -72.44   92.79  -67.64   63.56
   22.00  -70.18  107.79  -62.33   69.19
   23.00  -68.60  122.79  -58.06   77.10
</PRE>


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