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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>
29 Jul 1997 19:05:56 yearsecs  18126356
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.10  143.02  -51.83   87.82
    1.00  -65.30  158.02  -50.75   98.27
    2.00  -66.32  173.02  -50.97  108.84
    3.00  -67.33  188.02  -51.65  118.95
    4.00  -67.11  203.02  -51.68  128.69
    5.00  -67.95  218.02  -53.33  138.23
    6.00  -68.02  233.02  -54.75  147.92
    7.00  -68.08  248.02  -56.59  157.76
    8.00  -68.92  263.02  -59.50  167.03
    9.00  -68.97  278.02  -62.08  177.02
   10.00  -68.72  293.02  -64.85  187.69
   11.00  -68.31  308.02  -67.92  199.39
   12.00  -68.23  323.02  -71.57  212.04
   13.00  -68.39  338.02  -75.51  227.04
   14.00  -68.79  353.02  -79.43  247.28
   15.00  -69.43    8.02  -82.66  280.07
   16.00  -70.21   23.02  -83.35  329.74
   17.00  -70.81   38.02  -80.76    7.95
   18.00  -70.64   53.02  -76.45   27.11
   19.00  -70.01   68.02  -71.70   39.33
   20.00  -69.04   83.02  -66.85   49.29
   21.00  -68.18   98.02  -62.45   59.18
   22.00  -67.12  113.02  -58.27   68.64
   23.00  -65.67  128.02  -54.27   77.79
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.10  143.02  -56.92   91.42
    1.00  -71.49  158.02  -57.02  101.50
    2.00  -72.68  173.02  -57.38  110.88
    3.00  -77.51  188.02  -61.95  120.18
    4.00  -79.74  203.02  -64.33  127.06
    5.00  -80.20  218.02  -65.28  133.27
    6.00  -79.67  233.02  -65.65  140.03
    7.00  -79.11  248.02  -66.44  147.12
    8.00  -79.45  263.02  -68.37  152.87
    9.00  -79.31  278.02  -70.25  159.06
   10.00  -79.45  293.02  -72.61  164.10
   11.00  -79.35  308.02  -75.11  169.05
   12.00  -79.17  323.02  -77.82  173.28
   13.00  -78.85  338.02  -80.74  176.55
   14.00  -78.56  353.02  -83.81  175.33
   15.00  -78.05    8.02  -86.87  160.02
   16.00  -77.85   23.02  -87.18   90.05
   17.00  -77.23   38.02  -84.14   60.36
   18.00  -77.44   53.02  -80.45   62.74
   19.00  -76.71   68.02  -76.55   63.48
   20.00  -76.04   83.02  -72.67   67.63
   21.00  -74.24   98.02  -68.04   70.65
   22.00  -72.12  113.02  -63.19   75.45
   23.00  -70.67  128.02  -59.34   82.71
</PRE>


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