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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>
30 Sep 1997 04:26:32 yearsecs  23516792
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.74    2.23  -72.94  279.91
    1.00  -61.80   17.23  -74.38  310.04
    2.00  -62.81   32.23  -73.26  339.53
    3.00  -63.60   47.23  -70.43    2.79
    4.00  -63.11   62.23  -65.75   19.00
    5.00  -64.34   77.23  -63.34   35.48
    6.00  -64.92   92.23  -60.38   49.47
    7.00  -65.03  107.23  -57.25   61.75
    8.00  -65.67  122.23  -55.15   73.67
    9.00  -65.03  137.23  -52.38   83.74
   10.00  -64.61  152.23  -50.48   93.93
   11.00  -64.42  167.23  -49.32  104.29
   12.00  -64.46  182.23  -48.84  114.68
   13.00  -64.71  197.23  -49.14  124.94
   14.00  -65.20  212.23  -50.29  135.03
   15.00  -65.90  227.23  -52.19  144.96
   16.00  -66.84  242.23  -54.73  154.66
   17.00  -66.37  257.23  -56.37  165.29
   18.00  -65.96  272.23  -58.43  176.30
   19.00  -66.62  287.23  -61.83  186.45
   20.00  -65.75  302.23  -64.36  199.03
   21.00  -63.24  317.23  -65.78  215.63
   22.00  -62.29  332.23  -68.65  232.63
   23.00  -60.93  347.23  -70.73  254.22
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.74    2.23  -78.17  273.50
    1.00  -66.80   17.23  -80.07  309.58
    2.00  -67.81   32.23  -79.08  346.93
    3.00  -68.79   47.23  -76.29   14.11
    4.00  -71.37   62.23  -74.50   38.47
    5.00  -73.39   77.23  -72.15   56.08
    6.00  -73.05   92.23  -68.29   64.58
    7.00  -72.45  107.23  -64.59   72.50
    8.00  -73.81  122.23  -63.26   83.25
    9.00  -73.74  137.23  -61.18   91.40
   10.00  -73.90  152.23  -59.87   99.81
   11.00  -73.78  167.23  -58.76  108.07
   12.00  -73.49  182.23  -57.93  116.38
   13.00  -73.45  197.23  -57.84  124.81
   14.00  -73.67  212.23  -58.52  133.17
   15.00  -73.24  227.23  -59.09  141.78
   16.00  -73.17  242.23  -60.48  150.39
   17.00  -71.37  257.23  -60.78  160.92
   18.00  -70.96  272.23  -62.76  170.73
   19.00  -71.62  287.23  -66.05  179.19
   20.00  -70.75  302.23  -68.53  190.53
   21.00  -68.24  317.23  -70.12  206.95
   22.00  -67.29  332.23  -73.14  223.29
   23.00  -65.93  347.23  -75.56  245.65
</PRE>


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