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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>
08 Sep 1997 19:14:46 yearsecs  21669286
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.88  140.42  -51.87   85.86
    1.00  -64.23  155.42  -49.85   95.97
    2.00  -65.29  170.42  -50.05  106.77
    3.00  -66.35  185.42  -50.69  117.12
    4.00  -66.17  200.42  -50.67  127.04
    5.00  -67.13  215.42  -52.36  136.75
    6.00  -67.26  230.42  -53.78  146.55
    7.00  -67.10  245.42  -55.38  156.66
    8.00  -67.77  260.42  -58.09  166.35
    9.00  -67.41  275.42  -60.27  177.06
   10.00  -67.06  290.42  -62.87  188.22
   11.00  -66.81  305.42  -66.03  199.94
   12.00  -66.84  320.42  -69.76  212.55
   13.00  -67.10  335.42  -73.78  227.30
   14.00  -67.58  350.42  -77.78  246.56
   15.00  -68.29    5.42  -81.19  275.76
   16.00  -69.22   20.42  -82.56  319.82
   17.00  -70.19   35.42  -80.83    0.61
   18.00  -69.97   50.42  -76.56   21.84
   19.00  -69.43   65.42  -71.85   35.45
   20.00  -68.38   80.42  -66.85   45.82
   21.00  -67.37   95.42  -62.21   55.88
   22.00  -66.40  110.42  -58.03   65.87
   23.00  -65.56  125.42  -54.54   75.85
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.88  140.42  -58.99   91.38
    1.00  -72.90  155.42  -58.62  100.87
    2.00  -73.87  170.42  -58.69  109.88
    3.00  -77.54  185.42  -62.00  118.92
    4.00  -79.70  200.42  -64.24  125.93
    5.00  -80.09  215.42  -65.06  132.24
    6.00  -79.50  230.42  -65.30  139.08
    7.00  -79.00  245.42  -66.08  146.14
    8.00  -79.48  260.42  -68.08  151.76
    9.00  -79.22  275.42  -69.82  158.28
   10.00  -79.44  290.42  -72.20  163.23
   11.00  -79.16  305.42  -74.57  169.02
   12.00  -79.13  320.42  -77.32  173.00
   13.00  -78.91  335.42  -80.22  176.12
   14.00  -78.89  350.42  -83.21  173.70
   15.00  -78.56    5.42  -86.09  160.28
   16.00  -78.71   20.42  -86.68  108.30
   17.00  -78.28   35.42  -84.53   73.11
   18.00  -78.50   50.42  -81.17   69.91
   19.00  -78.18   65.42  -77.73   69.71
   20.00  -77.21   80.42  -73.97   70.51
   21.00  -75.35   95.42  -69.47   71.84
   22.00  -73.67  110.42  -65.11   76.47
   23.00  -72.36  125.42  -61.38   83.12
</PRE>


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