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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>
28 Sep 1997 13:30:44 yearsecs  23376644
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.80  227.72  -49.33  146.37
    1.00  -63.27  242.72  -51.52  156.92
    2.00  -63.84  257.72  -54.16  167.49
    3.00  -64.40  272.72  -57.13  178.12
    4.00  -64.12  287.72  -59.72  189.78
    5.00  -65.42  302.72  -64.17  199.90
    6.00  -65.76  317.72  -68.15  212.06
    7.00  -65.64  332.72  -71.84  227.37
    8.00  -66.17  347.72  -75.90  245.84
    9.00  -65.72    2.72  -78.22  274.58
   10.00  -65.31   17.72  -78.35  310.83
   11.00  -65.12   32.72  -75.91  343.04
   12.00  -65.15   47.72  -72.16    6.07
   13.00  -65.41   62.72  -68.35   23.58
   14.00  -65.89   77.72  -64.95   38.65
   15.00  -66.60   92.72  -62.04   52.50
   16.00  -67.53  107.72  -59.72   65.34
   17.00  -68.67  122.72  -58.15   77.13
   18.00  -68.70  137.72  -56.09   86.93
   19.00  -68.01  152.72  -53.90   96.13
   20.00  -66.69  167.72  -51.59  105.41
   21.00  -65.60  182.72  -49.97  115.20
   22.00  -64.43  197.72  -48.87  125.27
   23.00  -63.26  212.72  -48.45  135.69
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.97  227.72  -58.87  142.20
    1.00  -74.10  242.72  -61.38  149.90
    2.00  -75.07  257.72  -64.06  157.07
    3.00  -76.22  272.72  -67.17  163.10
    4.00  -78.73  287.72  -71.34  164.25
    5.00  -79.66  302.72  -74.32  166.42
    6.00  -79.13  317.72  -76.81  172.40
    7.00  -78.92  332.72  -79.68  175.90
    8.00  -79.39  347.72  -82.56  170.74
    9.00  -79.07    2.72  -85.31  159.93
   10.00  -79.11   17.72  -86.40  119.12
   11.00  -78.92   32.72  -84.78   82.72
   12.00  -78.56   47.72  -81.77   70.67
   13.00  -78.37   62.72  -78.39   70.16
   14.00  -78.48   77.72  -75.19   74.42
   15.00  -78.07   92.72  -71.97   78.13
   16.00  -77.90  107.72  -69.17   83.68
   17.00  -76.45  122.72  -65.64   87.56
   18.00  -76.23  137.72  -63.54   94.52
   19.00  -76.86  152.72  -62.78  102.57
   20.00  -76.31  167.72  -61.29  109.65
   21.00  -74.48  182.72  -58.93  116.87
   22.00  -73.76  197.72  -58.15  125.07
   23.00  -73.04  212.72  -57.93  133.62
</PRE>


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