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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>
19 Mar 1997 13:50:00 yearsecs   6702600
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.83  227.42  -48.38  146.48
    1.00  -62.41  242.42  -50.68  157.14
    2.00  -63.00  257.42  -53.35  167.84
    3.00  -63.58  272.42  -56.34  178.63
    4.00  -63.08  287.42  -58.73  190.68
    5.00  -64.31  302.42  -63.12  201.21
    6.00  -64.89  317.42  -67.31  213.27
    7.00  -65.00  332.42  -71.20  228.28
    8.00  -65.48  347.42  -75.19  246.91
    9.00  -65.01    2.42  -77.44  275.13
   10.00  -64.59   17.42  -77.56  310.16
   11.00  -64.40   32.42  -75.13  341.57
   12.00  -64.44   47.42  -71.39    4.41
   13.00  -64.69   62.42  -67.60   21.93
   14.00  -65.18   77.42  -64.23   37.10
   15.00  -65.88   92.42  -61.37   51.12
   16.00  -66.82  107.42  -59.06   64.17
   17.00  -67.97  122.42  -57.48   76.17
   18.00  -67.99  137.42  -55.40   86.15
   19.00  -67.31  152.42  -53.22   95.54
   20.00  -65.90  167.42  -50.80  104.93
   21.00  -64.80  182.42  -49.18  114.87
   22.00  -63.50  197.42  -47.95  125.07
   23.00  -62.32  212.42  -47.53  135.64
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.24  227.42  -59.11  141.89
    1.00  -74.22  242.42  -61.45  149.64
    2.00  -75.15  257.42  -64.09  156.82
    3.00  -76.06  272.42  -67.00  163.23
    4.00  -78.33  287.42  -71.04  165.18
    5.00  -79.32  302.42  -74.12  167.54
    6.00  -79.00  317.42  -76.71  172.93
    7.00  -78.63  332.42  -79.59  177.58
    8.00  -79.18  347.42  -82.56  172.48
    9.00  -78.95    2.42  -85.35  161.65
   10.00  -78.88   17.42  -86.65  119.69
   11.00  -78.64   32.42  -84.99   80.12
   12.00  -78.28   47.42  -81.85   68.49
   13.00  -78.11   62.42  -78.39   68.66
   14.00  -78.12   77.42  -75.09   72.88
   15.00  -77.68   92.42  -71.77   76.85
   16.00  -77.50  107.42  -68.91   82.63
   17.00  -76.15  122.42  -65.40   86.92
   18.00  -75.91  137.42  -63.27   93.99
   19.00  -76.48  152.42  -62.42  102.08
   20.00  -75.99  167.42  -60.98  109.32
   21.00  -74.36  182.42  -58.80  116.68
   22.00  -73.88  197.42  -58.27  124.91
   23.00  -73.13  212.42  -58.00  133.43
</PRE>


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