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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>
25 Mar 1997 22:39:30 yearsecs   7252770
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.22   92.71  -58.40   47.41
    1.00  -63.46  107.71  -55.49   60.24
    2.00  -64.13  122.71  -53.48   72.55
    3.00  -64.79  137.71  -52.08   83.90
    4.00  -64.52  152.71  -50.35   94.22
    5.00  -65.75  167.71  -50.64  105.08
    6.00  -66.06  182.71  -50.43  115.27
    7.00  -65.93  197.71  -50.35  125.25
    8.00  -66.63  212.71  -51.69  135.08
    9.00  -66.06  227.71  -52.38  145.22
   10.00  -65.70  242.71  -53.76  155.63
   11.00  -65.45  257.71  -55.61  166.32
   12.00  -65.49  272.71  -58.09  177.10
   13.00  -65.74  287.71  -61.16  187.89
   14.00  -66.23  302.71  -64.88  198.70
   15.00  -66.93  317.71  -69.15  209.94
   16.00  -67.87  332.71  -73.74  222.44
   17.00  -68.40  347.71  -77.88  239.91
   18.00  -68.35    2.71  -80.87  268.82
   19.00  -68.29   17.71  -81.71  311.02
   20.00  -67.03   32.71  -78.10  346.21
   21.00  -65.95   47.71  -73.08    7.63
   22.00  -64.82   62.71  -67.67   22.45
   23.00  -63.72   77.71  -62.50   34.89
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.48   92.71  -63.95   55.68
    1.00  -69.71  107.71  -61.89   68.42
    2.00  -70.76  122.71  -60.23   79.53
    3.00  -72.68  137.71  -60.08   90.57
    4.00  -75.66  152.71  -61.59  101.51
    5.00  -76.59  167.71  -61.57  109.80
    6.00  -75.72  182.71  -60.18  117.15
    7.00  -74.83  197.71  -59.23  125.02
    8.00  -75.75  212.71  -60.61  132.79
    9.00  -75.22  227.71  -61.02  140.92
   10.00  -75.21  242.71  -62.39  148.91
   11.00  -75.23  257.71  -64.19  156.87
   12.00  -75.03  272.71  -66.22  165.12
   13.00  -74.93  287.71  -68.73  173.25
   14.00  -75.20  302.71  -71.86  180.46
   15.00  -74.84  317.71  -74.92  189.52
   16.00  -74.84  332.71  -78.48  198.06
   17.00  -73.40  347.71  -81.54  217.69
   18.00  -73.35    2.71  -85.32  241.72
   19.00  -74.01   17.71  -88.00  319.49
   20.00  -73.31   32.71  -84.25   13.90
   21.00  -71.11   47.71  -78.36   22.94
   22.00  -69.99   62.71  -73.13   34.54
   23.00  -68.82   77.71  -67.99   44.55
</PRE>


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