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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>
26 Mar 1997 14:06:20 yearsecs   7308380
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.88  223.89  -43.22  145.26
    1.00  -57.21  238.89  -45.25  156.74
    2.00  -57.53  253.89  -47.69  168.34
    3.00  -57.84  268.89  -50.46  180.19
    4.00  -58.15  283.89  -53.50  192.36
    5.00  -58.86  298.89  -57.28  204.48
    6.00  -60.76  313.89  -62.64  215.81
    7.00  -62.32  328.89  -67.86  228.81
    8.00  -61.79  343.89  -70.88  248.20
    9.00  -61.27  358.89  -73.10  273.11
   10.00  -60.96   13.89  -73.60  303.28
   11.00  -60.86   28.89  -71.58  332.33
   12.00  -60.97   43.89  -68.02  354.97
   13.00  -61.29   58.89  -64.34   12.78
   14.00  -61.82   73.89  -61.16   28.41
   15.00  -62.56   88.89  -58.52   43.17
   16.00  -63.52  103.89  -56.33   57.22
   17.00  -64.70  118.89  -54.71   70.27
   18.00  -64.96  133.89  -52.73   81.34
   19.00  -63.60  148.89  -49.72   91.04
   20.00  -61.96  163.89  -46.99  101.07
   21.00  -60.77  178.89  -45.19  111.66
   22.00  -58.92  193.89  -43.33  122.46
   23.00  -57.81  208.89  -42.90  133.68
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.97  223.89  -55.71  141.27
    1.00  -70.90  238.89  -58.04  150.04
    2.00  -71.78  253.89  -60.67  158.49
    3.00  -72.21  268.89  -63.27  167.06
    4.00  -72.94  283.89  -66.48  174.90
    5.00  -74.25  298.89  -70.43  180.83
    6.00  -74.52  313.89  -73.86  188.43
    7.00  -73.42  328.89  -76.77  201.64
    8.00  -73.38  343.89  -80.55  213.94
    9.00  -73.82  358.89  -84.66  229.15
   10.00  -73.35   13.89  -87.28  290.21
   11.00  -73.06   28.89  -85.04    3.15
   12.00  -72.90   43.89  -80.86   27.25
   13.00  -72.77   58.89  -76.55   40.85
   14.00  -72.84   73.89  -72.58   52.18
   15.00  -72.71   88.89  -68.77   61.69
   16.00  -73.13  103.89  -65.87   71.73
   17.00  -73.40  118.89  -63.39   80.79
   18.00  -73.01  133.89  -60.87   88.75
   19.00  -72.04  148.89  -58.30   96.47
   20.00  -71.70  163.89  -56.85  105.11
   21.00  -70.83  178.89  -55.32  113.80
   22.00  -70.90  193.89  -55.23  122.87
   23.00  -69.89  208.89  -54.65  132.05
</PRE>


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