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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>
07 Apr 1997 11:38:47 yearsecs   8336327
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.77  257.99  -51.39  169.70
    1.00  -62.01  272.99  -55.03  180.39
    2.00  -63.08  287.99  -58.85  191.12
    3.00  -64.97  302.99  -63.84  200.75
    4.00  -64.72  317.99  -67.30  214.07
    5.00  -65.92  332.99  -72.15  227.12
    6.00  -66.20  347.99  -75.98  246.19
    7.00  -66.15    2.99  -78.69  274.42
    8.00  -66.76   17.99  -79.98  311.58
    9.00  -66.22   32.99  -77.12  345.25
   10.00  -65.80   47.99  -72.84    7.69
   11.00  -65.61   62.99  -68.50   24.25
   12.00  -65.65   77.99  -64.61   38.44
   13.00  -65.90   92.99  -61.26   51.62
   14.00  -66.39  107.99  -58.50   64.04
   15.00  -67.09  122.99  -56.50   75.64
   16.00  -68.03  137.99  -55.37   86.55
   17.00  -67.81  152.99  -53.69   96.20
   18.00  -67.71  167.99  -52.60  105.96
   19.00  -68.07  182.99  -52.44  115.79
   20.00  -67.02  197.99  -51.44  125.42
   21.00  -64.36  212.99  -49.53  135.69
   22.00  -62.78  227.99  -49.33  146.57
   23.00  -61.31  242.99  -49.73  158.08
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.77  257.99  -55.94  166.28
    1.00  -67.01  272.99  -59.48  175.78
    2.00  -68.08  287.99  -63.25  185.07
    3.00  -70.47  302.99  -68.48  191.61
    4.00  -73.71  317.99  -74.31  193.43
    5.00  -74.59  332.99  -78.42  199.45
    6.00  -73.72  347.99  -81.79  215.94
    7.00  -73.13    2.99  -85.22  244.63
    8.00  -74.48   17.99  -88.47  326.61
    9.00  -74.28   32.99  -84.80   23.93
   10.00  -74.64   47.99  -80.78   41.84
   11.00  -74.53   62.99  -76.64   51.23
   12.00  -74.37   77.99  -72.70   59.61
   13.00  -74.26   92.99  -69.13   67.87
   14.00  -74.52  107.99  -66.31   76.67
   15.00  -74.15  122.99  -63.47   84.16
   16.00  -74.20  137.99  -61.55   92.32
   17.00  -72.81  152.99  -58.73   99.42
   18.00  -72.71  167.99  -57.64  107.99
   19.00  -73.07  182.99  -57.48  116.72
   20.00  -72.02  197.99  -56.41  125.29
   21.00  -69.36  212.99  -54.35  134.69
   22.00  -67.78  227.99  -54.02  144.74
   23.00  -66.31  242.99  -54.35  155.48
</PRE>


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