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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>
27 Feb 1997 02:28:32 yearsecs   4933712
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.61   38.49  -70.27  348.24
    1.00  -62.20   53.49  -66.98    8.18
    2.00  -62.80   68.49  -63.73   24.74
    3.00  -63.39   83.49  -60.72   39.58
    4.00  -62.83   98.49  -56.71   51.84
    5.00  -64.04  113.49  -54.99   65.46
    6.00  -64.68  128.49  -53.17   77.27
    7.00  -64.85  143.49  -51.52   87.98
    8.00  -65.18  158.49  -50.60   98.54
    9.00  -64.84  173.49  -49.46  108.75
   10.00  -64.42  188.49  -48.75  118.97
   11.00  -64.24  203.49  -48.88  129.21
   12.00  -64.27  218.49  -49.86  139.48
   13.00  -64.53  233.49  -51.57  149.79
   14.00  -65.01  248.49  -53.89  160.08
   15.00  -65.72  263.49  -56.75  170.23
   16.00  -66.65  278.49  -60.16  180.07
   17.00  -67.81  293.49  -64.17  189.39
   18.00  -67.82  308.49  -67.62  200.65
   19.00  -67.15  323.49  -70.80  214.79
   20.00  -65.72  338.49  -73.33  234.06
   21.00  -64.62  353.49  -75.61  258.53
   22.00  -63.29    8.49  -76.15  290.37
   23.00  -62.11   23.49  -74.05  322.87
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.37   38.49  -79.24    3.07
    1.00  -70.36   53.49  -76.05   26.60
    2.00  -71.33   68.49  -72.76   43.53
    3.00  -72.27   83.49  -69.68   57.08
    4.00  -74.90   98.49  -68.49   72.39
    5.00  -76.01  113.49  -66.65   82.31
    6.00  -75.46  128.49  -63.92   88.89
    7.00  -74.86  143.49  -61.62   95.95
    8.00  -75.90  158.49  -61.41  104.67
    9.00  -75.80  173.49  -60.52  112.36
   10.00  -75.84  188.49  -60.23  120.18
   11.00  -75.65  203.49  -60.18  128.01
   12.00  -75.34  218.49  -60.50  135.98
   13.00  -75.26  233.49  -61.53  143.97
   14.00  -75.36  248.49  -63.17  151.83
   15.00  -74.93  263.49  -64.74  160.36
   16.00  -74.81  278.49  -67.00  168.58
   17.00  -73.34  293.49  -68.65  179.78
   18.00  -73.16  308.49  -71.74  189.15
   19.00  -73.78  323.49  -75.66  196.67
   20.00  -73.11  338.49  -79.01  210.44
   21.00  -71.08  353.49  -81.45  238.77
   22.00  -70.42    8.49  -83.74  278.55
   23.00  -69.34   23.49  -82.34  329.20
</PRE>


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