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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>
17 Jul 1997 14:49:30 yearsecs  17074170
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.90  218.28  -48.54  139.66
    1.00  -63.31  233.28  -50.41  150.14
    2.00  -63.91  248.28  -52.85  160.59
    3.00  -64.49  263.28  -55.62  171.08
    4.00  -64.21  278.28  -57.96  182.48
    5.00  -65.49  293.28  -62.11  192.42
    6.00  -65.82  308.28  -65.86  203.83
    7.00  -65.68  323.28  -69.49  217.43
    8.00  -66.25  338.28  -73.75  232.66
    9.00  -65.84  353.28  -76.76  255.73
   10.00  -65.41    8.28  -78.43  287.79
   11.00  -65.21   23.28  -77.71  323.86
   12.00  -65.25   38.28  -74.75  352.75
   13.00  -65.50   53.28  -71.04   13.55
   14.00  -65.98   68.28  -67.50   30.17
   15.00  -66.69   83.28  -64.40   44.91
   16.00  -67.62   98.28  -61.82   58.47
   17.00  -68.75  113.28  -59.87   70.88
   18.00  -68.76  128.28  -57.39   80.88
   19.00  -68.08  143.28  -54.84   90.05
   20.00  -66.78  158.28  -52.24   99.15
   21.00  -65.68  173.28  -50.32  108.84
   22.00  -64.52  188.28  -48.85  118.84
   23.00  -63.37  203.28  -48.03  129.13
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.42  218.28  -56.68  137.35
    1.00  -72.60  233.28  -59.02  145.62
    2.00  -73.60  248.28  -61.57  153.47
    3.00  -74.94  263.28  -64.72  160.23
    4.00  -77.63  278.28  -69.10  162.98
    5.00  -78.58  293.28  -72.17  166.79
    6.00  -77.94  308.28  -74.54  174.38
    7.00  -77.28  323.28  -77.33  182.36
    8.00  -78.07  338.28  -80.75  181.69
    9.00  -77.93  353.28  -84.02  181.45
   10.00  -78.03    8.28  -86.93  159.52
   11.00  -77.86   23.28  -87.13   89.17
   12.00  -77.53   38.28  -84.05   63.45
   13.00  -77.35   53.28  -80.37   62.20
   14.00  -77.50   68.28  -76.84   67.20
   15.00  -77.09   83.28  -73.28   71.24
   16.00  -76.96   98.28  -70.14   77.31
   17.00  -75.48  113.28  -66.23   81.23
   18.00  -75.29  128.28  -63.80   88.55
   19.00  -75.94  143.28  -62.69   96.97
   20.00  -75.31  158.28  -60.83  104.13
   21.00  -73.30  173.28  -58.00  111.27
   22.00  -72.43  188.28  -56.77  119.66
   23.00  -71.58  203.28  -56.09  128.43
</PRE>


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