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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>
03 Sep 1997 18:34:32 yearsecs  21234872
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.49  150.88  -48.41   91.88
    1.00  -63.03  165.88  -47.97  102.86
    2.00  -63.58  180.88  -47.98  113.59
    3.00  -64.12  195.88  -48.52  124.01
    4.00  -63.78  210.88  -48.83  134.33
    5.00  -65.08  225.88  -51.29  144.32
    6.00  -65.49  240.88  -53.33  154.48
    7.00  -65.42  255.88  -55.32  165.04
    8.00  -66.12  270.88  -58.33  175.17
    9.00  -65.48  285.88  -60.56  186.83
   10.00  -65.06  300.88  -63.43  198.92
   11.00  -64.87  315.88  -66.91  211.88
   12.00  -64.91  330.88  -70.73  226.73
   13.00  -65.17  345.88  -74.56  245.25
   14.00  -65.65    0.88  -77.89  270.76
   15.00  -66.36   15.88  -79.62  306.09
   16.00  -67.29   30.88  -78.79  343.05
   17.00  -67.40   45.88  -75.20    8.49
   18.00  -67.02   60.88  -70.64   25.07
   19.00  -67.44   75.88  -67.06   40.04
   20.00  -66.49   90.88  -62.36   50.84
   21.00  -64.89  105.88  -57.37   60.51
   22.00  -64.13  120.88  -53.78   71.18
   23.00  -62.94  135.88  -50.38   81.28
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.36  150.88  -54.41   95.15
    1.00  -69.78  165.88  -54.80  105.43
    2.00  -71.00  180.88  -55.44  115.04
    3.00  -72.24  195.88  -56.60  124.06
    4.00  -75.36  210.88  -60.14  131.95
    5.00  -76.55  225.88  -62.16  139.16
    6.00  -75.89  240.88  -62.82  147.33
    7.00  -75.12  255.88  -63.87  156.02
    8.00  -76.20  270.88  -66.87  162.22
    9.00  -75.81  285.88  -69.04  170.45
   10.00  -75.81  300.88  -71.88  177.88
   11.00  -75.53  315.88  -74.89  186.15
   12.00  -75.13  330.88  -78.17  195.67
   13.00  -74.94  345.88  -81.81  205.91
   14.00  -75.08    0.88  -85.76  217.26
   15.00  -74.56   15.88  -88.66  302.21
   16.00  -74.31   30.88  -85.39   20.84
   17.00  -72.40   45.88  -79.93   26.79
   18.00  -72.02   60.88  -75.42   39.59
   19.00  -72.44   75.88  -71.74   52.34
   20.00  -72.10   90.88  -67.78   61.57
   21.00  -69.89  105.88  -62.44   67.46
   22.00  -69.16  120.88  -58.94   76.47
   23.00  -68.34  135.88  -55.94   85.43
</PRE>


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