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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>
19 May 1997 23:20:14 yearsecs  12007214
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.77   77.12  -57.79   28.60
    1.00  -61.01   92.12  -56.00   43.95
    2.00  -61.71  107.12  -53.71   57.78
    3.00  -68.19  122.12  -57.76   76.20
    4.00  -68.00  137.12  -55.45   85.96
    5.00  -68.80  152.12  -54.76   96.23
    6.00  -68.94  167.12  -53.89  105.87
    7.00  -69.81  182.12  -54.21  115.56
    8.00  -71.90  197.12  -56.27  124.79
    9.00  -70.97  212.12  -55.87  133.79
   10.00  -70.19  227.12  -56.20  143.18
   11.00  -69.59  242.12  -57.21  152.90
   12.00  -69.30  257.12  -58.95  162.79
   13.00  -69.30  272.12  -61.32  172.67
   14.00  -69.57  287.12  -64.34  182.34
   15.00  -70.11  302.12  -68.00  191.69
   16.00  -70.54  317.12  -71.90  201.69
   17.00  -70.27  332.12  -75.48  215.25
   18.00  -70.74  347.12  -79.63  230.60
   19.00  -70.04    2.12  -82.40  261.70
   20.00  -69.18   17.12  -82.73  309.35
   21.00  -68.06   32.12  -79.38  347.30
   22.00  -64.23   47.12  -71.23    3.67
   23.00  -61.74   62.12  -64.06   16.78
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.77   77.12  -63.85   36.11
    1.00  -66.01   92.12  -61.57   51.08
    2.00  -66.71  107.12  -59.01   63.81
    3.00  -73.80  122.12  -63.26   83.17
    4.00  -75.90  137.12  -63.29   93.82
    5.00  -75.80  152.12  -61.77  101.32
    6.00  -76.75  167.12  -61.76  109.60
    7.00  -77.35  182.12  -61.86  117.27
    8.00  -76.96  197.12  -61.39  124.63
    9.00  -76.58  212.12  -61.41  132.21
   10.00  -76.14  227.12  -61.85  140.05
   11.00  -76.14  242.12  -63.18  147.73
   12.00  -76.43  257.12  -65.15  154.99
   13.00  -76.19  272.12  -67.06  162.85
   14.00  -75.97  287.12  -69.38  170.73
   15.00  -75.75  302.12  -72.10  178.64
   16.00  -75.54  317.12  -75.18  186.74
   17.00  -75.27  332.12  -78.53  195.67
   18.00  -76.45  347.12  -82.56  195.11
   19.00  -76.63    2.12  -86.27  193.77
   20.00  -75.51   17.12  -89.58  347.50
   21.00  -73.06   32.12  -84.22   10.67
   22.00  -69.23   47.12  -76.77   15.34
   23.00  -66.74   62.12  -70.00   25.72
</PRE>


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