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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
31 May 1997 19:17:49 yearsecs  13029469
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.60  137.03  -49.89   81.89
    1.00  -63.07  152.03  -48.92   93.00
    2.00  -63.63  167.03  -48.53  103.88
    3.00  -64.19  182.03  -48.57  114.49
    4.00  -63.90  197.03  -48.33  124.80
    5.00  -65.21  212.03  -50.29  134.89
    6.00  -65.56  227.03  -51.86  144.94
    7.00  -65.45  242.03  -53.44  155.29
    8.00  -66.20  257.03  -56.18  165.28
    9.00  -65.66  272.03  -58.13  176.44
   10.00  -65.26  287.03  -60.60  187.95
   11.00  -64.77  302.03  -63.44  200.25
   12.00  -64.84  317.03  -67.16  212.99
   13.00  -65.11  332.03  -71.20  227.63
   14.00  -65.61  347.03  -75.23  246.03
   15.00  -66.34    2.03  -78.76  271.92
   16.00  -67.30   17.03  -80.63  309.02
   17.00  -68.46   32.03  -79.84  348.13
   18.00  -68.50   47.03  -76.05   12.98
   19.00  -67.81   62.03  -71.16   28.08
   20.00  -66.49   77.03  -65.77   39.16
   21.00  -65.40   92.03  -60.94   50.04
   22.00  -64.23  107.03  -56.45   60.61
   23.00  -63.06  122.03  -52.47   71.06
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.95  137.03  -62.38   92.64
    1.00  -75.99  152.03  -61.97  101.44
    2.00  -76.89  167.03  -61.91  109.64
    3.00  -77.93  182.03  -62.45  117.39
    4.00  -80.16  197.03  -64.68  124.43
    5.00  -81.01  212.03  -65.86  130.39
    6.00  -80.60  227.03  -66.15  136.68
    7.00  -80.20  242.03  -66.84  143.19
    8.00  -81.05  257.03  -68.97  147.59
    9.00  -80.95  272.03  -70.57  153.01
   10.00  -81.17  287.03  -72.65  156.97
   11.00  -81.31  302.03  -74.85  160.07
   12.00  -80.88  317.03  -77.07  164.22
   13.00  -80.53  332.03  -79.56  166.41
   14.00  -80.49  347.03  -82.06  162.69
   15.00  -80.06    2.03  -84.49  152.44
   16.00  -79.83   17.03  -85.64  122.02
   17.00  -78.53   32.03  -85.12   79.47
   18.00  -78.27   47.03  -81.94   68.46
   19.00  -78.74   62.03  -78.62   72.08
   20.00  -78.18   77.03  -75.19   72.98
   21.00  -76.49   92.03  -71.03   73.21
   22.00  -75.75  107.03  -67.55   78.63
   23.00  -75.02  122.03  -64.43   84.94
</PRE>


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