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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>
12 Jul 1997 10:43:14 yearsecs  16627394
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -55.43  272.69  -48.84  184.90
    1.00  -56.80  287.69  -52.97  196.68
    2.00  -57.60  302.69  -56.92  209.06
    3.00  -66.01  317.69  -68.36  211.60
    4.00  -68.23  332.69  -74.03  221.50
    5.00  -68.87  347.69  -78.27  238.37
    6.00  -68.67    2.69  -81.18  267.86
    7.00  -67.36   17.69  -80.67  310.83
    8.00  -67.77   32.69  -78.94  347.76
    9.00  -68.03   47.69  -75.38   12.53
   10.00  -67.90   62.69  -71.08   28.96
   11.00  -67.96   77.69  -67.13   42.67
   12.00  -67.78   92.69  -63.26   54.45
   13.00  -67.88  107.69  -60.08   65.80
   14.00  -68.25  122.69  -57.73   76.65
   15.00  -68.43  137.69  -55.82   86.68
   16.00  -68.30  152.69  -54.21   96.29
   17.00  -68.01  167.69  -52.92  105.88
   18.00  -69.41  182.69  -53.80  115.84
   19.00  -69.21  197.69  -53.60  125.19
   20.00  -68.32  212.69  -53.33  134.73
   21.00  -65.41  227.69  -51.78  145.44
   22.00  -60.87  242.69  -49.27  158.07
   23.00  -57.85  257.69  -48.60  171.18
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.43  272.69  -53.53  181.41
    1.00  -61.80  287.69  -57.62  192.20
    2.00  -62.60  302.69  -61.63  203.62
    3.00  -71.01  317.69  -72.39  200.94
    4.00  -73.77  332.69  -77.92  202.91
    5.00  -73.87  347.69  -81.79  214.64
    6.00  -73.67    2.69  -85.52  238.34
    7.00  -72.36   17.69  -86.21  313.67
    8.00  -72.77   32.69  -83.85    9.50
    9.00  -73.03   47.69  -79.88   32.05
   10.00  -72.90   62.69  -75.60   44.35
   11.00  -73.20   77.69  -71.89   55.82
   12.00  -73.77   92.69  -68.79   66.53
   13.00  -73.67  107.69  -65.61   74.92
   14.00  -73.55  122.69  -62.94   83.14
   15.00  -73.43  137.69  -60.83   91.33
   16.00  -73.30  152.69  -59.24   99.61
   17.00  -73.01  167.69  -57.96  107.96
   18.00  -74.41  182.69  -58.85  116.84
   19.00  -74.65  197.69  -59.06  125.02
   20.00  -73.32  212.69  -58.20  133.52
   21.00  -70.41  227.69  -56.46  143.42
   22.00  -65.87  242.69  -53.91  155.52
   23.00  -62.85  257.69  -53.26  168.13
</PRE>


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