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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>
02 Oct 1997 00:38:46 yearsecs  23675926
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.76   60.02  -69.48   21.49
    1.00  -65.36   75.02  -65.05   35.25
    2.00  -66.29   90.02  -62.36   49.82
    3.00  -67.22  105.02  -59.96   62.94
    4.00  -66.91  120.02  -56.80   73.37
    5.00  -67.66  135.02  -55.35   84.29
    6.00  -67.62  150.02  -53.74   94.14
    7.00  -67.65  165.02  -52.70  104.00
    8.00  -68.47  180.02  -52.91  113.97
    9.00  -68.41  195.02  -52.76  123.51
   10.00  -68.16  210.02  -53.02  133.06
   11.00  -67.97  225.02  -53.92  142.74
   12.00  -68.00  240.02  -55.52  152.52
   13.00  -68.26  255.02  -57.72  162.29
   14.00  -68.75  270.02  -60.48  171.89
   15.00  -69.45  285.02  -63.83  181.10
   16.00  -70.26  300.02  -67.65  189.96
   17.00  -70.82  315.02  -71.59  199.43
   18.00  -70.77  330.02  -75.30  211.76
   19.00  -70.19  345.02  -78.69  229.97
   20.00  -69.27    0.02  -81.31  259.61
   21.00  -68.38   15.02  -81.88  303.00
   22.00  -67.58   30.02  -79.29  341.83
   23.00  -66.72   45.02  -74.69    5.71
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.98   60.02  -76.39   42.62
    1.00  -74.00   75.02  -73.17   56.63
    2.00  -74.85   90.02  -70.25   67.73
    3.00  -79.13  105.02  -70.53   85.69
    4.00  -80.98  120.02  -69.81   95.38
    5.00  -81.34  135.02  -68.52  101.10
    6.00  -80.80  150.02  -66.81  105.69
    7.00  -80.40  165.02  -65.54  111.18
    8.00  -80.42  180.02  -65.05  117.35
    9.00  -80.25  195.02  -64.76  123.58
   10.00  -80.24  210.02  -65.01  129.90
   11.00  -80.08  225.02  -65.52  136.29
   12.00  -80.18  240.02  -66.67  142.39
   13.00  -79.94  255.02  -67.86  148.79
   14.00  -79.81  270.02  -69.52  154.88
   15.00  -79.55  285.02  -71.43  161.04
   16.00  -79.55  300.02  -73.82  166.02
   17.00  -79.29  315.02  -76.35  171.10
   18.00  -79.86  330.02  -79.22  170.34
   19.00  -79.74  345.02  -81.97  169.07
   20.00  -78.90    0.02  -84.98  165.60
   21.00  -77.22   15.02  -88.43  134.27
   22.00  -75.16   30.02  -86.02   31.01
   23.00  -73.76   45.02  -81.12   33.71
</PRE>


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