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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>
10 Sep 1997 13:47:12 yearsecs  21822432
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.38  227.23  -44.05  147.69
    1.00  -57.58  242.23  -46.05  159.18
    2.00  -57.75  257.23  -48.43  170.87
    3.00  -57.90  272.23  -51.11  182.88
    4.00  -58.01  287.23  -54.03  195.28
    5.00  -58.51  302.23  -57.69  207.75
    6.00  -60.18  317.23  -62.91  219.70
    7.00  -61.48  332.23  -67.88  233.82
    8.00  -60.51  347.23  -70.31  254.76
    9.00  -60.14    2.23  -72.29  280.46
   10.00  -60.18   17.23  -72.51  310.26
   11.00  -60.37   32.23  -70.24  337.60
   12.00  -60.71   47.23  -66.77  358.88
   13.00  -61.23   62.23  -63.37   16.15
   14.00  -61.92   77.23  -60.47   31.68
   15.00  -62.79   92.23  -58.03   46.41
   16.00  -63.86  107.23  -56.01   60.32
   17.00  -65.11  122.23  -54.58   73.13
   18.00  -65.45  137.23  -52.82   84.05
   19.00  -64.19  152.23  -50.05   93.71
   20.00  -62.65  167.23  -47.52  103.70
   21.00  -61.47  182.23  -45.83  114.19
   22.00  -59.58  197.23  -44.07  124.93
   23.00  -58.40  212.23  -43.71  136.11
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.85  227.23  -57.77  142.48
    1.00  -72.71  242.23  -60.06  150.76
    2.00  -73.52  257.23  -62.65  158.65
    3.00  -73.93  272.23  -65.25  166.60
    4.00  -74.61  287.23  -68.40  173.67
    5.00  -75.81  302.23  -72.15  178.55
    6.00  -76.07  317.23  -75.48  184.85
    7.00  -75.10  332.23  -78.48  196.55
    8.00  -75.19  347.23  -82.25  204.99
    9.00  -75.48    2.23  -86.23  212.70
   10.00  -75.04   17.23  -89.12  326.48
   11.00  -74.75   32.23  -85.24   28.23
   12.00  -74.59   47.23  -80.97   40.97
   13.00  -74.45   62.23  -76.79   50.42
   14.00  -74.50   77.23  -72.98   59.58
   15.00  -74.36   92.23  -69.38   67.69
   16.00  -74.73  107.23  -66.64   76.66
   17.00  -74.96  122.23  -64.33   84.94
   18.00  -74.60  137.23  -62.02   92.35
   19.00  -73.69  152.23  -59.67   99.65
   20.00  -73.36  167.23  -58.34  107.86
   21.00  -72.58  182.23  -57.01  116.18
   22.00  -72.66  197.23  -57.04  124.83
   23.00  -71.76  212.23  -56.65  133.67
</PRE>


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