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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>
26 May 1997 21:54:59 yearsecs  12606899
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.38   97.71  -49.26   43.71
    1.00  -56.67  112.71  -47.04   57.65
    2.00  -56.93  127.71  -45.06   70.78
    3.00  -57.18  142.71  -43.59   83.03
    4.00  -57.41  157.71  -42.66   94.80
    5.00  -58.04  172.71  -42.59  106.48
    6.00  -59.84  187.71  -44.18  117.97
    7.00  -61.19  202.71  -45.87  128.86
    8.00  -61.47  217.71  -47.11  139.57
    9.00  -61.18  232.71  -48.33  150.55
   10.00  -60.64  247.71  -49.74  161.96
   11.00  -60.49  262.71  -51.89  173.53
   12.00  -60.60  277.71  -54.59  185.29
   13.00  -60.93  292.71  -57.86  197.17
   14.00  -61.48  307.71  -61.79  209.32
   15.00  -62.25  322.71  -66.25  222.40
   16.00  -63.24  337.71  -70.87  237.71
   17.00  -64.45  352.71  -75.31  257.49
   18.00  -64.73    7.71  -77.67  287.23
   19.00  -63.37   22.71  -75.65  321.72
   20.00  -61.67   37.71  -70.55  347.16
   21.00  -60.43   52.71  -64.89    4.93
   22.00  -58.53   67.71  -58.37   18.07
   23.00  -57.36   82.71  -53.39   30.87
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.66   97.71  -68.45   71.41
    1.00  -75.49  112.71  -66.33   80.96
    2.00  -76.29  127.71  -64.80   89.70
    3.00  -76.75  142.71  -63.53   97.58
    4.00  -77.44  157.71  -62.99  105.49
    5.00  -78.55  172.71  -63.35  113.28
    6.00  -78.89  187.71  -63.37  120.26
    7.00  -78.29  202.71  -62.84  127.19
    8.00  -78.64  217.71  -63.72  134.02
    9.00  -79.15  232.71  -65.14  140.39
   10.00  -78.07  247.71  -65.49  148.33
   11.00  -77.34  262.71  -66.63  156.38
   12.00  -77.15  277.71  -68.66  163.72
   13.00  -76.93  292.71  -71.04  171.07
   14.00  -76.87  307.71  -73.89  177.82
   15.00  -76.67  322.71  -76.96  184.86
   16.00  -76.90  337.71  -80.43  189.10
   17.00  -77.03  352.71  -83.97  190.70
   18.00  -76.65    7.71  -87.62  187.45
   19.00  -75.84   22.71  -88.20   39.36
   20.00  -75.55   37.71  -84.01   42.25
   21.00  -74.93   52.71  -79.63   46.81
   22.00  -75.13   67.71  -75.77   56.50
   23.00  -74.48   82.71  -71.64   62.65
</PRE>


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