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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 Mar 1997 13:21:20 yearsecs   6182480
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.49  233.89  -49.71  150.91
    1.00  -63.03  248.89  -52.13  161.54
    2.00  -63.58  263.89  -54.90  172.23
    3.00  -64.12  278.89  -58.00  183.02
    4.00  -63.78  293.89  -60.72  195.00
    5.00  -65.08  308.89  -65.35  205.47
    6.00  -65.49  323.89  -69.48  218.38
    7.00  -65.42  338.89  -73.16  235.19
    8.00  -66.01  353.89  -77.04  256.43
    9.00  -65.47    8.89  -78.54  289.16
   10.00  -65.06   23.89  -77.45  325.11
   11.00  -64.87   38.89  -74.16  353.09
   12.00  -64.91   53.89  -70.18   13.10
   13.00  -65.16   68.89  -66.42   29.18
   14.00  -65.65   83.89  -63.14   43.59
   15.00  -66.36   98.89  -60.39   57.02
   16.00  -67.29  113.89  -58.28   69.47
   17.00  -68.44  128.89  -56.98   80.96
   18.00  -68.48  143.89  -55.18   90.73
   19.00  -67.78  158.89  -53.21  100.04
   20.00  -66.43  173.89  -51.05  109.45
   21.00  -65.33  188.89  -49.65  119.32
   22.00  -64.13  203.89  -48.79  129.49
   23.00  -62.94  218.89  -48.62  140.08
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.40  233.89  -57.04  147.26
    1.00  -71.57  248.89  -59.83  155.64
    2.00  -72.58  263.89  -62.80  163.62
    3.00  -73.62  278.89  -66.12  170.85
    4.00  -76.44  293.89  -70.94  172.87
    5.00  -77.48  308.89  -74.44  176.23
    6.00  -76.79  323.89  -77.27  184.80
    7.00  -76.15  338.89  -80.50  194.18
    8.00  -77.14  353.89  -84.24  189.44
    9.00  -76.90    8.89  -87.79  178.49
   10.00  -77.01   23.89  -87.59   71.38
   11.00  -76.87   38.89  -83.92   56.45
   12.00  -76.52   53.89  -79.99   57.04
   13.00  -76.39   68.89  -76.19   62.43
   14.00  -76.57   83.89  -72.82   69.76
   15.00  -76.16   98.89  -69.41   75.57
   16.00  -76.02  113.89  -66.60   82.52
   17.00  -74.41  128.89  -62.88   87.68
   18.00  -74.20  143.89  -60.92   95.51
   19.00  -74.98  158.89  -60.46  104.22
   20.00  -74.33  173.89  -59.02  111.99
   21.00  -72.23  188.89  -56.56  119.99
   22.00  -71.42  203.89  -55.96  128.81
   23.00  -70.52  218.89  -55.86  138.01
</PRE>


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