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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 Oct 1997 14:25:34 yearsecs  24416734
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.91  212.28  -42.25  136.36
    1.00  -57.24  227.28  -43.93  147.76
    2.00  -57.56  242.28  -46.04  159.22
    3.00  -57.88  257.28  -48.55  170.84
    4.00  -58.18  272.28  -51.38  182.72
    5.00  -58.90  287.28  -54.87  194.56
    6.00  -60.81  302.28  -59.88  205.37
    7.00  -62.37  317.28  -64.99  216.91
    8.00  -61.95  332.28  -68.34  233.18
    9.00  -61.18  347.28  -70.99  253.96
   10.00  -60.89    2.28  -73.11  279.85
   11.00  -60.81   17.28  -73.23  310.27
   12.00  -60.93   32.28  -70.93  338.06
   13.00  -61.26   47.28  -67.47  359.59
   14.00  -61.80   62.28  -64.09   17.02
   15.00  -62.55   77.28  -61.22   32.67
   16.00  -63.51   92.28  -58.83   47.46
   17.00  -64.70  107.28  -56.89   61.37
   18.00  -64.96  122.28  -54.41   73.02
   19.00  -63.60  137.28  -50.90   82.76
   20.00  -61.96  152.28  -47.76   92.64
   21.00  -60.79  167.28  -45.62  103.15
   22.00  -58.94  182.28  -43.30  113.85
   23.00  -57.84  197.28  -42.35  124.96
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -75.68  212.28  -60.52  132.59
    1.00  -76.54  227.28  -62.24  139.87
    2.00  -77.35  242.28  -64.29  146.59
    3.00  -77.86  257.28  -66.38  153.03
    4.00  -78.58  272.28  -68.91  158.38
    5.00  -79.67  287.28  -71.85  161.50
    6.00  -80.08  302.28  -74.43  164.76
    7.00  -79.64  317.28  -76.87  169.99
    8.00  -79.84  332.28  -79.63  170.45
    9.00  -79.80  347.28  -82.36  167.70
   10.00  -79.24    2.28  -85.13  158.99
   11.00  -78.81   17.28  -86.74  120.09
   12.00  -78.47   32.28  -85.10   78.49
   13.00  -78.18   47.28  -81.88   67.71
   14.00  -78.03   62.28  -78.40   68.21
   15.00  -77.75   77.28  -74.94   71.36
   16.00  -77.88   92.28  -71.93   77.40
   17.00  -77.92  107.28  -69.26   83.54
   18.00  -77.50  122.28  -66.63   89.14
   19.00  -76.63  137.28  -63.98   94.81
   20.00  -76.29  152.28  -62.24  101.83
   21.00  -75.78  167.28  -60.78  109.13
   22.00  -75.99  182.28  -60.47  116.99
   23.00  -75.43  197.28  -59.84  124.77
</PRE>


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