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    <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>
21 Feb 1997 12:19:34 yearsecs   4450774
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.27  248.10  -49.45  162.44
    1.00  -60.94  263.10  -52.37  173.53
    2.00  -61.61  278.10  -55.59  184.73
    3.00  -62.28  293.10  -59.19  196.07
    4.00  -61.40  308.10  -61.81  209.76
    5.00  -62.46  323.10  -66.53  222.51
    6.00  -63.45  338.10  -71.15  237.86
    7.00  -63.98  353.10  -74.92  258.98
    8.00  -64.51    8.10  -77.45  288.34
    9.00  -63.87   23.10  -76.18  322.74
   10.00  -63.46   38.10  -72.67  349.81
   11.00  -63.27   53.10  -68.42    9.36
   12.00  -63.31   68.10  -64.45   25.17
   13.00  -63.56   83.10  -61.02   39.51
   14.00  -64.05   98.10  -58.12   53.12
   15.00  -64.76  113.10  -55.81   65.95
   16.00  -65.69  128.10  -54.27   77.86
   17.00  -66.84  143.10  -53.60   89.04
   18.00  -66.82  158.10  -52.29   99.04
   19.00  -66.18  173.10  -50.83  108.85
   20.00  -64.63  188.10  -48.96  118.72
   21.00  -63.52  203.10  -48.17  128.99
   22.00  -62.01  218.10  -47.67  139.73
   23.00  -60.86  233.10  -48.07  150.96
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.24  248.10  -61.23  153.70
    1.00  -73.94  263.10  -63.85  161.46
    2.00  -74.82  278.10  -66.94  168.35
    3.00  -75.57  293.10  -70.20  174.62
    4.00  -77.32  308.10  -74.20  176.48
    5.00  -78.38  323.10  -77.64  177.18
    6.00  -78.24  338.10  -80.73  180.56
    7.00  -77.67  353.10  -84.02  184.11
    8.00  -78.16    8.10  -86.79  158.34
    9.00  -78.10   23.10  -86.96   93.15
   10.00  -77.90   38.10  -84.04   67.40
   11.00  -77.57   53.10  -80.46   63.62
   12.00  -77.25   68.10  -76.78   65.99
   13.00  -77.13   83.10  -73.34   71.31
   14.00  -76.99   98.10  -70.20   77.32
   15.00  -76.51  113.10  -67.15   83.09
   16.00  -76.36  128.10  -64.82   90.00
   17.00  -75.31  143.10  -62.10   96.20
   18.00  -75.18  158.10  -60.71  103.94
   19.00  -75.64  173.10  -60.38  112.10
   20.00  -75.21  188.10  -59.60  119.90
   21.00  -73.87  203.10  -58.38  128.05
   22.00  -73.73  218.10  -58.90  136.42
   23.00  -72.84  233.10  -59.23  145.37
</PRE>


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