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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>
13 Jul 1997 13:56:10 yearsecs  16725370
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.19  230.54  -50.93  147.87
    1.00  -65.29  245.54  -53.74  157.84
    2.00  -66.23  260.54  -56.74  167.72
    3.00  -67.16  275.54  -60.07  177.41
    4.00  -66.85  290.54  -62.72  188.58
    5.00  -67.61  305.54  -66.73  198.71
    6.00  -67.58  320.54  -70.41  211.20
    7.00  -67.75  335.54  -74.36  225.85
    8.00  -68.35  350.54  -78.49  244.50
    9.00  -68.40    5.54  -81.32  275.79
   10.00  -68.09   20.54  -81.28  319.07
   11.00  -67.90   35.54  -78.42  353.53
   12.00  -67.94   50.54  -74.49   15.86
   13.00  -68.20   65.54  -70.60   32.41
   14.00  -68.68   80.54  -67.12   46.55
   15.00  -69.39   95.54  -64.19   59.40
   16.00  -70.20  110.54  -61.82   71.04
   17.00  -70.78  125.54  -59.82   81.31
   18.00  -70.72  140.54  -57.81   90.41
   19.00  -70.15  155.54  -55.85   99.19
   20.00  -69.22  170.54  -54.01  108.15
   21.00  -68.32  185.54  -52.66  117.47
   22.00  -67.01  200.54  -51.50  127.08
   23.00  -65.23  215.54  -50.55  137.25
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.19  230.54  -55.59  145.77
    1.00  -70.32  245.54  -58.29  154.56
    2.00  -71.25  260.54  -61.16  163.08
    3.00  -76.43  275.54  -67.77  164.10
    4.00  -78.67  290.54  -71.76  165.49
    5.00  -79.03  305.54  -74.54  169.52
    6.00  -78.27  320.54  -77.10  177.01
    7.00  -77.50  335.54  -80.07  184.87
    8.00  -77.75  350.54  -83.44  183.94
    9.00  -77.63    5.54  -86.71  172.60
   10.00  -77.72   20.54  -87.64   98.56
   11.00  -77.60   35.54  -84.69   65.38
   12.00  -77.81   50.54  -81.10   64.96
   13.00  -77.58   65.54  -77.51   66.75
   14.00  -77.50   80.54  -74.10   71.62
   15.00  -77.25   95.54  -70.87   76.90
   16.00  -77.32  110.54  -68.25   83.59
   17.00  -77.07  125.54  -65.80   89.90
   18.00  -77.80  140.54  -64.75   97.84
   19.00  -77.69  155.54  -63.39  104.67
   20.00  -76.65  170.54  -61.50  111.26
   21.00  -74.56  185.54  -58.96  118.42
   22.00  -72.01  200.54  -56.45  126.78
   23.00  -70.23  215.54  -55.35  136.05
</PRE>


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