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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 Dec 1997 14:08:48 yearsecs  30290928
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.00  212.86  -50.14  135.48
    1.00  -64.29  227.86  -50.74  145.96
    2.00  -65.38  242.86  -53.48  155.91
    3.00  -66.47  257.86  -56.55  165.65
    4.00  -66.29  272.86  -58.83  176.42
    5.00  -67.23  287.86  -62.50  186.12
    6.00  -67.35  302.86  -65.88  197.08
    7.00  -67.19  317.86  -69.41  209.58
    8.00  -67.85  332.86  -73.77  222.63
    9.00  -67.51  347.86  -77.14  242.70
   10.00  -67.10    2.86  -79.64  272.23
   11.00  -66.91   17.86  -80.15  311.25
   12.00  -66.94   32.86  -77.98  346.33
   13.00  -67.20   47.86  -74.44   10.63
   14.00  -67.68   62.86  -70.80   28.60
   15.00  -68.39   77.86  -67.52   43.73
   16.00  -69.32   92.86  -64.74   57.32
   17.00  -70.28  107.86  -62.41   69.38
   18.00  -70.04  122.86  -59.49   78.77
   19.00  -69.51  137.86  -56.90   87.71
   20.00  -68.47  152.86  -54.37   96.50
   21.00  -67.47  167.86  -52.36  105.79
   22.00  -66.52  182.86  -50.89  115.44
   23.00  -65.70  197.86  -50.13  125.35
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.79  212.86  -55.74  134.28
    1.00  -71.82  227.86  -57.80  142.86
    2.00  -72.82  242.86  -60.23  151.04
    3.00  -76.85  257.86  -65.60  154.78
    4.00  -79.10  272.86  -69.38  157.53
    5.00  -79.45  287.86  -71.80  162.32
    6.00  -78.79  302.86  -73.94  169.53
    7.00  -78.22  317.86  -76.54  176.44
    8.00  -78.65  332.86  -79.68  177.53
    9.00  -78.42  347.86  -82.78  178.62
   10.00  -78.70    2.86  -85.58  163.60
   11.00  -78.41   17.86  -87.15  116.74
   12.00  -78.48   32.86  -84.98   77.88
   13.00  -78.22   47.86  -81.75   67.98
   14.00  -78.21   62.86  -78.32   69.31
   15.00  -77.89   77.86  -74.88   72.10
   16.00  -78.10   92.86  -71.96   78.28
   17.00  -77.72  107.86  -69.01   83.32
   18.00  -78.00  122.86  -66.99   90.31
   19.00  -77.63  137.86  -64.86   96.39
   20.00  -76.61  152.86  -62.52  102.41
   21.00  -74.63  167.86  -59.58  108.83
   22.00  -72.79  182.86  -57.20  116.59
   23.00  -71.35  197.86  -55.73  125.24
</PRE>


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