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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 Aug 1997 11:21:56 yearsecs  18530516
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.35  263.57  -49.08  176.19
    1.00  -57.77  278.57  -52.14  188.21
    2.00  -58.20  293.57  -55.49  200.53
    3.00  -58.62  308.57  -59.28  213.34
    4.00  -58.77  323.57  -63.12  227.77
    5.00  -59.60  338.57  -67.53  244.02
    6.00  -61.43  353.57  -72.44  263.57
    7.00  -62.44    8.57  -75.23  291.25
    8.00  -62.70   23.57  -74.74  323.25
    9.00  -62.05   38.57  -70.81  348.84
   10.00  -61.63   53.57  -66.23    7.48
   11.00  -61.43   68.57  -62.00   22.76
   12.00  -61.46   83.57  -58.43   36.86
   13.00  -61.71   98.57  -55.44   50.50
   14.00  -62.19  113.57  -53.01   63.60
   15.00  -62.89  128.57  -51.29   75.86
   16.00  -63.82  143.57  -50.44   87.39
   17.00  -64.97  158.57  -50.38   98.50
   18.00  -65.16  173.57  -49.78  108.89
   19.00  -63.90  188.57  -48.22  118.98
   20.00  -62.25  203.57  -46.94  129.41
   21.00  -61.07  218.57  -46.80  140.28
   22.00  -59.28  233.57  -46.62  151.89
   23.00  -58.19  248.57  -47.53  163.84
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.08  263.57  -61.47  165.15
    1.00  -71.96  278.57  -64.71  173.29
    2.00  -72.84  293.57  -68.29  180.84
    3.00  -73.34  308.57  -71.89  188.72
    4.00  -74.27  323.57  -75.97  194.94
    5.00  -75.30  338.57  -80.12  199.10
    6.00  -75.78  353.57  -84.04  203.64
    7.00  -74.88    8.57  -87.69  235.90
    8.00  -74.97   23.57  -87.70   14.96
    9.00  -75.27   38.57  -83.68   40.01
   10.00  -74.82   53.57  -79.34   46.75
   11.00  -74.49   68.57  -75.15   54.47
   12.00  -74.28   83.57  -71.28   62.55
   13.00  -74.12   98.57  -67.82   70.69
   14.00  -74.11  113.57  -64.95   78.97
   15.00  -73.89  128.57  -62.42   86.83
   16.00  -74.17  143.57  -60.92   95.31
   17.00  -74.17  158.57  -59.67  103.50
   18.00  -73.81  173.57  -58.50  111.62
   19.00  -73.07  188.57  -57.42  119.90
   20.00  -72.70  203.57  -57.22  128.47
   21.00  -71.79  218.57  -57.06  137.39
   22.00  -71.85  233.57  -58.36  146.24
   23.00  -70.91  248.57  -59.20  155.99
</PRE>


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