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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>
18 Mar 1997 12:19:44 yearsecs   6610784
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.35  248.62  -51.47  161.73
    1.00  -62.90  263.62  -54.24  172.55
    2.00  -63.45  278.62  -57.35  183.47
    3.00  -64.00  293.62  -60.86  194.53
    4.00  -63.63  308.62  -63.99  207.33
    5.00  -64.92  323.62  -68.90  219.13
    6.00  -65.36  338.62  -73.04  234.98
    7.00  -65.47  353.62  -76.48  257.10
    8.00  -66.01    8.62  -79.10  287.89
    9.00  -65.37   23.62  -77.85  324.74
   10.00  -64.96   38.62  -74.33  352.82
   11.00  -64.77   53.62  -70.09   12.54
   12.00  -64.81   68.62  -66.08   28.27
   13.00  -65.06   83.62  -62.57   42.38
   14.00  -65.55   98.62  -59.61   55.64
   15.00  -66.26  113.62  -57.27   68.05
   16.00  -67.19  128.62  -55.74   79.59
   17.00  -68.34  143.62  -55.08   90.46
   18.00  -68.37  158.62  -53.83  100.16
   19.00  -67.68  173.62  -52.32  109.63
   20.00  -66.32  188.62  -50.64  119.24
   21.00  -65.22  203.62  -49.85  129.23
   22.00  -64.00  218.62  -49.61  139.64
   23.00  -62.81  233.62  -49.98  150.59
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.34  248.62  -58.70  156.49
    1.00  -71.47  263.62  -61.81  164.76
    2.00  -72.46  278.62  -65.13  172.56
    3.00  -73.48  293.62  -68.79  179.55
    4.00  -76.25  308.62  -73.73  180.24
    5.00  -77.18  323.62  -77.36  182.94
    6.00  -76.78  338.62  -80.61  190.15
    7.00  -76.15  353.62  -84.13  199.84
    8.00  -77.22    8.62  -87.55  172.10
    9.00  -76.98   23.62  -87.66   71.62
   10.00  -77.07   38.62  -83.99   58.57
   11.00  -76.92   53.62  -80.18   59.48
   12.00  -76.57   68.62  -76.34   63.12
   13.00  -76.44   83.62  -72.79   69.21
   14.00  -76.60   98.62  -69.80   76.54
   15.00  -76.18  113.62  -66.78   82.70
   16.00  -76.04  128.62  -64.45   89.78
   17.00  -74.46  143.62  -61.20   95.62
   18.00  -74.18  158.62  -59.67  103.53
   19.00  -74.88  173.62  -59.59  112.06
   20.00  -74.23  188.62  -58.60  120.06
   21.00  -72.15  203.62  -56.67  128.57
   22.00  -71.36  218.62  -56.65  137.57
   23.00  -70.44  233.62  -57.06  147.07
</PRE>


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