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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>
08 Jun 1997 21:02:33 yearsecs  13726953
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.94  110.60  -47.70   56.02
    1.00  -57.33  125.60  -45.78   69.31
    2.00  -57.71  140.60  -44.35   81.65
    3.00  -58.09  155.60  -43.51   93.44
    4.00  -58.37  170.60  -43.00  104.96
    5.00  -59.16  185.60  -43.49  116.35
    6.00  -61.07  200.60  -45.67  127.35
    7.00  -62.65  215.60  -48.08  137.83
    8.00  -62.39  230.60  -49.24  148.58
    9.00  -61.77  245.60  -50.51  159.80
   10.00  -61.33  260.60  -52.33  171.35
   11.00  -61.14  275.60  -54.71  183.16
   12.00  -61.18  290.60  -57.65  195.19
   13.00  -61.44  305.60  -61.25  207.52
   14.00  -61.92  320.60  -65.41  220.76
   15.00  -62.63  335.60  -69.79  236.10
   16.00  -63.56  350.60  -74.02  255.55
   17.00  -64.71    5.60  -77.48  282.49
   18.00  -64.93   20.60  -77.69  317.62
   19.00  -63.59   35.60  -73.44  346.03
   20.00  -61.93   50.60  -67.42    4.47
   21.00  -60.74   65.60  -61.86   18.86
   22.00  -58.91   80.60  -55.90   30.77
   23.00  -57.82   95.60  -51.44   43.30
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.84  110.60  -59.47   67.83
    1.00  -68.83  125.60  -57.85   79.20
    2.00  -69.78  140.60  -56.85   89.65
    3.00  -70.26  155.60  -55.95   99.30
    4.00  -71.14  170.60  -55.93  108.88
    5.00  -72.56  185.60  -56.93  118.13
    6.00  -72.82  200.60  -57.26  126.76
    7.00  -71.59  215.60  -56.67  135.71
    8.00  -71.51  230.60  -57.76  144.66
    9.00  -71.61  245.60  -59.46  153.62
   10.00  -71.26  260.60  -61.18  163.11
   11.00  -71.00  275.60  -63.38  172.80
   12.00  -70.83  290.60  -66.09  182.66
   13.00  -70.73  305.60  -69.29  192.88
   14.00  -70.83  320.60  -72.98  203.65
   15.00  -70.69  335.60  -76.67  217.34
   16.00  -71.16  350.60  -80.80  233.75
   17.00  -71.39    5.60  -84.28  265.06
   18.00  -71.01   20.60  -84.51  323.42
   19.00  -70.05   35.60  -80.64    0.40
   20.00  -69.69   50.60  -76.25   21.13
   21.00  -68.78   65.60  -71.17   33.93
   22.00  -68.88   80.60  -67.31   47.04
   23.00  -67.76   95.60  -62.56   56.65
</PRE>


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