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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>
16 Mar 1997 12:44:26 yearsecs   6439466
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.95  242.70  -51.22  157.07
    1.00  -63.33  257.70  -53.70  167.82
    2.00  -63.94  272.70  -56.71  178.52
    3.00  -64.54  287.70  -60.09  189.29
    4.00  -64.26  302.70  -63.14  201.49
    5.00  -65.53  317.70  -67.95  212.44
    6.00  -65.86  332.70  -72.03  226.90
    7.00  -65.74  347.70  -75.49  246.78
    8.00  -66.06    2.70  -78.56  273.93
    9.00  -65.84   17.70  -78.95  310.78
   10.00  -65.42   32.70  -76.27  343.44
   11.00  -65.23   47.70  -72.26    6.20
   12.00  -65.27   62.70  -68.19   23.28
   13.00  -65.53   77.70  -64.55   37.97
   14.00  -66.01   92.70  -61.44   51.55
   15.00  -66.72  107.70  -58.90   64.25
   16.00  -67.65  122.70  -57.11   76.01
   17.00  -68.78  137.70  -56.18   86.98
   18.00  -68.79  152.70  -54.69   96.59
   19.00  -68.11  167.70  -53.02  105.92
   20.00  -66.81  182.70  -51.19  115.39
   21.00  -65.72  197.70  -50.15  125.24
   22.00  -64.57  212.70  -49.72  135.45
   23.00  -63.42  227.70  -49.91  146.15
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.34  242.70  -58.87  152.06
    1.00  -72.51  257.70  -61.84  160.03
    2.00  -73.50  272.70  -64.97  167.51
    3.00  -74.90  287.70  -68.70  173.32
    4.00  -77.58  302.70  -73.29  173.46
    5.00  -78.46  317.70  -76.59  175.37
    6.00  -77.89  332.70  -79.53  181.92
    7.00  -77.27  347.70  -82.80  188.42
    8.00  -78.23    2.70  -85.84  169.41
    9.00  -77.94   17.70  -87.64  115.66
   10.00  -78.05   32.70  -85.20   73.06
   11.00  -77.89   47.70  -81.78   65.43
   12.00  -77.57   62.70  -78.17   65.86
   13.00  -77.40   77.70  -74.67   70.13
   14.00  -77.54   92.70  -71.63   76.54
   15.00  -77.14  107.70  -68.58   81.94
   16.00  -77.02  122.70  -66.15   88.50
   17.00  -75.58  137.70  -62.92   93.73
   18.00  -75.38  152.70  -61.31  101.26
   19.00  -75.98  167.70  -60.96  109.46
   20.00  -75.32  182.70  -59.78  117.05
   21.00  -73.31  197.70  -57.70  125.08
   22.00  -72.39  212.70  -57.29  133.78
   23.00  -71.52  227.70  -57.50  142.92
</PRE>


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