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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>
28 Jun 1997 20:18:14 yearsecs  15452294
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.02  122.57  -53.39   72.35
    1.00  -63.83  137.57  -51.11   83.13
    2.00  -64.69  152.57  -50.54   94.21
    3.00  -65.54  167.57  -50.43  104.91
    4.00  -65.32  182.57  -49.69  115.05
    5.00  -66.42  197.57  -50.83  125.15
    6.00  -66.64  212.57  -51.70  134.99
    7.00  -66.50  227.57  -52.78  144.97
    8.00  -67.18  242.57  -55.08  154.69
    9.00  -66.72  257.57  -56.73  165.25
   10.00  -66.30  272.57  -58.78  176.21
   11.00  -66.11  287.57  -61.46  187.34
   12.00  -66.14  302.57  -64.78  198.73
   13.00  -66.40  317.57  -68.66  210.81
   14.00  -66.88  332.57  -72.88  224.59
   15.00  -67.59  347.57  -77.14  242.05
   16.00  -68.52    2.57  -81.02  268.01
   17.00  -69.56   17.57  -83.13  310.92
   18.00  -69.44   32.57  -80.75  352.16
   19.00  -68.84   47.57  -76.25   14.69
   20.00  -67.68   62.57  -70.88   28.31
   21.00  -66.63   77.57  -65.78   39.91
   22.00  -65.58   92.57  -61.01   50.78
   23.00  -64.61  107.57  -56.73   61.49
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.54  122.57  -60.04   79.18
    1.00  -71.65  137.57  -59.08   89.48
    2.00  -72.66  152.57  -58.60   99.07
    3.00  -75.48  167.57  -60.45  109.12
    4.00  -78.00  182.57  -62.51  117.67
    5.00  -78.63  197.57  -63.11  124.76
    6.00  -77.92  212.57  -62.77  131.95
    7.00  -77.24  227.57  -62.94  139.55
    8.00  -77.88  242.57  -64.80  146.16
    9.00  -77.45  257.57  -66.07  153.78
   10.00  -77.47  272.57  -68.11  160.73
   11.00  -77.67  287.57  -70.63  166.94
   12.00  -77.82  302.57  -73.40  172.65
   13.00  -77.52  317.57  -76.22  179.31
   14.00  -77.57  332.57  -79.43  183.71
   15.00  -77.20  347.57  -82.76  189.01
   16.00  -77.25    2.57  -86.24  183.55
   17.00  -76.33   17.57  -89.30   91.35
   18.00  -76.39   32.57  -85.56   50.72
   19.00  -76.50   47.57  -81.62   54.76
   20.00  -75.65   62.57  -77.39   56.13
   21.00  -73.64   77.57  -72.26   57.07
   22.00  -72.25   92.57  -67.52   63.01
   23.00  -70.98  107.57  -63.14   70.28
</PRE>


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