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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>
09 Jul 1997 18:08:11 yearsecs  16394891
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.08  158.72  -42.26   95.46
    1.00  -57.48  173.72  -41.99  107.12
    2.00  -57.88  188.72  -42.22  118.55
    3.00  -58.28  203.72  -43.06  129.77
    4.00  -58.49  218.72  -44.32  140.96
    5.00  -59.30  233.72  -46.65  152.00
    6.00  -61.17  248.72  -50.38  162.44
    7.00  -62.70  263.72  -54.08  172.77
    8.00  -62.48  278.72  -56.49  184.45
    9.00  -61.86  293.72  -58.94  197.03
   10.00  -61.42  308.72  -61.99  210.29
   11.00  -61.23  323.72  -65.54  224.86
   12.00  -61.27  338.72  -69.21  242.02
   13.00  -61.53  353.72  -72.56  263.70
   14.00  -62.01    8.72  -74.76  291.89
   15.00  -62.72   23.72  -74.73  323.55
   16.00  -63.65   38.72  -72.74  351.02
   17.00  -64.80   53.72  -70.10   12.72
   18.00  -65.01   68.72  -66.29   28.74
   19.00  -63.70   83.72  -61.02   40.28
   20.00  -62.04   98.72  -55.78   51.04
   21.00  -60.85  113.72  -51.53   62.39
   22.00  -59.04  128.72  -47.19   73.08
   23.00  -57.95  143.72  -44.30   84.21
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.53  158.72  -54.99  100.83
    1.00  -70.46  173.72  -55.12  110.54
    2.00  -71.38  188.72  -55.71  119.81
    3.00  -71.87  203.72  -56.40  128.66
    4.00  -72.77  218.72  -58.02  137.13
    5.00  -74.11  233.72  -60.48  144.90
    6.00  -74.38  248.72  -62.32  152.97
    7.00  -73.33  263.72  -63.42  162.59
    8.00  -73.35  278.72  -65.87  171.20
    9.00  -73.67  293.72  -68.95  179.23
   10.00  -73.14  308.72  -71.79  189.32
   11.00  -72.85  323.72  -75.14  200.01
   12.00  -72.63  338.72  -78.78  212.82
   13.00  -72.50  353.72  -82.53  231.15
   14.00  -72.53    8.72  -85.86  268.90
   15.00  -72.35   23.72  -85.49  340.95
   16.00  -72.71   38.72  -82.18   19.44
   17.00  -72.83   53.72  -78.03   36.73
   18.00  -72.45   68.72  -73.63   47.27
   19.00  -71.60   83.72  -69.05   55.59
   20.00  -71.23   98.72  -65.23   64.96
   21.00  -70.33  113.72  -61.34   73.28
   22.00  -70.42  128.72  -59.00   82.88
   23.00  -69.39  143.72  -56.13   91.30
</PRE>


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