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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 13:46:12 yearsecs  21822372
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.39  227.46  -44.09  147.86
    1.00  -57.59  242.46  -46.09  159.35
    2.00  -57.76  257.46  -48.48  171.04
    3.00  -57.91  272.46  -51.15  183.06
    4.00  -58.02  287.46  -54.07  195.48
    5.00  -58.51  302.46  -57.74  207.96
    6.00  -60.17  317.46  -62.96  219.94
    7.00  -61.45  332.46  -67.91  234.12
    8.00  -60.45  347.46  -70.30  255.17
    9.00  -60.09    2.46  -72.27  280.93
   10.00  -60.16   17.46  -72.46  310.72
   11.00  -60.36   32.46  -70.17  337.96
   12.00  -60.71   47.46  -66.71  359.16
   13.00  -61.23   62.46  -63.32   16.39
   14.00  -61.92   77.46  -60.42   31.91
   15.00  -62.80   92.46  -57.99   46.62
   16.00  -63.87  107.46  -55.97   60.52
   17.00  -65.12  122.46  -54.55   73.31
   18.00  -65.46  137.46  -52.80   84.21
   19.00  -64.20  152.46  -50.04   93.87
   20.00  -62.67  167.46  -47.53  103.87
   21.00  -61.48  182.46  -45.85  114.36
   22.00  -59.59  197.46  -44.10  125.10
   23.00  -58.41  212.46  -43.74  136.28
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.84  227.46  -57.78  142.62
    1.00  -72.70  242.46  -60.08  150.90
    2.00  -73.51  257.46  -62.68  158.79
    3.00  -73.92  272.46  -65.28  166.74
    4.00  -74.60  287.46  -68.43  173.81
    5.00  -75.79  302.46  -72.19  178.69
    6.00  -76.06  317.46  -75.52  185.01
    7.00  -75.08  332.46  -78.53  196.76
    8.00  -75.18  347.46  -82.30  205.24
    9.00  -75.47    2.46  -86.29  213.11
   10.00  -75.02   17.46  -89.08  330.02
   11.00  -74.74   32.46  -85.17   28.40
   12.00  -74.58   47.46  -80.90   41.08
   13.00  -74.45   62.46  -76.73   50.53
   14.00  -74.49   77.46  -72.91   59.69
   15.00  -74.35   92.46  -69.32   67.81
   16.00  -74.72  107.46  -66.59   76.77
   17.00  -74.95  122.46  -64.29   85.05
   18.00  -74.59  137.46  -61.99   92.46
   19.00  -73.69  152.46  -59.64   99.78
   20.00  -73.36  167.46  -58.32  107.99
   21.00  -72.58  182.46  -57.00  116.31
   22.00  -72.65  197.46  -57.04  124.96
   23.00  -71.75  212.46  -56.65  133.81
</PRE>


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