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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>
29 Aug 1997 14:31:52 yearsecs  20788312
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -58.85  218.81  -44.68  140.94
    1.00  -59.43  233.81  -46.79  152.01
    2.00  -60.01  248.81  -49.30  163.11
    3.00  -60.59  263.81  -52.16  174.31
    4.00  -60.07  278.81  -54.31  186.61
    5.00  -61.01  293.81  -58.17  198.00
    6.00  -62.39  308.81  -62.90  209.15
    7.00  -63.36  323.81  -67.55  221.87
    8.00  -63.36  338.81  -71.24  238.91
    9.00  -62.95  353.81  -74.02  261.86
   10.00  -62.54    8.81  -75.35  291.68
   11.00  -62.35   23.81  -74.28  323.59
   12.00  -62.38   38.81  -71.16  349.56
   13.00  -62.64   53.81  -67.44    9.20
   14.00  -63.12   68.81  -64.04   25.57
   15.00  -63.83   83.81  -61.15   40.55
   16.00  -64.76   98.81  -58.73   54.68
   17.00  -65.92  113.81  -56.89   67.80
   18.00  -65.97  128.81  -54.46   78.62
   19.00  -65.09  143.81  -51.73   88.36
   20.00  -63.48  158.81  -48.85   98.01
   21.00  -62.34  173.81  -46.92  108.33
   22.00  -60.69  188.81  -45.02  118.85
   23.00  -59.56  203.81  -44.32  129.75
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.14  218.81  -58.38  137.04
    1.00  -73.85  233.81  -60.25  145.12
    2.00  -74.71  248.81  -62.62  152.68
    3.00  -75.33  263.81  -65.12  159.96
    4.00  -76.74  278.81  -68.53  165.06
    5.00  -77.85  293.81  -71.82  169.06
    6.00  -78.02  308.81  -74.69  174.26
    7.00  -77.50  323.81  -77.52  181.52
    8.00  -77.84  338.81  -80.84  183.32
    9.00  -77.90  353.81  -84.14  181.49
   10.00  -77.55    8.81  -87.37  165.10
   11.00  -77.19   23.81  -87.51   75.51
   12.00  -76.89   38.81  -83.94   56.59
   13.00  -76.73   53.81  -80.07   58.32
   14.00  -76.58   68.81  -76.30   63.26
   15.00  -76.18   83.81  -72.59   68.47
   16.00  -76.17   98.81  -69.43   75.55
   17.00  -75.53  113.81  -66.18   81.58
   18.00  -75.25  128.81  -63.69   88.77
   19.00  -75.16  143.81  -61.88   96.42
   20.00  -74.73  158.81  -60.21  104.00
   21.00  -73.66  173.81  -58.34  111.69
   22.00  -73.65  188.81  -58.01  120.10
   23.00  -72.78  203.81  -57.30  128.59
</PRE>


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