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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>
22 Aug 1997 17:37:40 yearsecs  20194660
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.00  167.30  -44.82  102.93
    1.00  -60.69  182.30  -45.05  114.12
    2.00  -61.37  197.30  -45.85  124.98
    3.00  -62.06  212.30  -47.27  135.59
    4.00  -61.12  227.30  -47.68  146.61
    5.00  -62.15  242.30  -50.42  157.17
    6.00  -63.21  257.30  -53.53  167.60
    7.00  -63.82  272.30  -56.54  178.32
    8.00  -64.33  287.30  -59.82  189.22
    9.00  -63.69  302.30  -62.53  201.91
   10.00  -63.27  317.30  -65.82  215.64
   11.00  -63.08  332.30  -69.41  231.47
   12.00  -63.12  347.30  -72.91  251.11
   13.00  -63.37    2.30  -75.73  277.16
   14.00  -63.86   17.30  -76.73  309.93
   15.00  -64.56   32.30  -75.35  341.54
   16.00  -65.49   47.30  -72.67    6.18
   17.00  -66.65   62.30  -69.85   25.69
   18.00  -66.61   77.30  -65.83   39.63
   19.00  -65.98   92.30  -61.49   51.17
   20.00  -64.51  107.30  -56.68   61.16
   21.00  -63.30  122.30  -52.67   71.48
   22.00  -61.75  137.30  -48.97   81.53
   23.00  -60.61  152.30  -46.35   92.01
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.17  167.30  -55.11  106.48
    1.00  -70.95  182.30  -55.35  115.89
    2.00  -71.97  197.30  -56.35  124.89
    3.00  -72.80  212.30  -57.67  133.44
    4.00  -74.90  227.30  -60.68  140.89
    5.00  -76.13  242.30  -63.18  147.83
    6.00  -76.16  257.30  -64.94  155.44
    7.00  -75.63  272.30  -66.63  163.91
    8.00  -76.23  287.30  -69.59  170.24
    9.00  -76.26  302.30  -72.45  177.28
   10.00  -76.07  317.30  -75.49  184.90
   11.00  -75.71  332.30  -78.76  193.58
   12.00  -75.32  347.30  -82.31  204.10
   13.00  -75.15    2.30  -86.16  217.91
   14.00  -74.92   17.30  -88.99  324.95
   15.00  -74.30   32.30  -84.99   22.98
   16.00  -74.05   47.30  -80.65   37.60
   17.00  -72.73   62.30  -75.58   43.38
   18.00  -72.39   77.30  -71.33   53.18
   19.00  -72.51   92.30  -67.81   63.39
   20.00  -72.19  107.30  -64.34   72.09
   21.00  -70.72  122.30  -60.26   79.22
   22.00  -70.65  137.30  -58.11   88.37
   23.00  -69.60  152.30  -55.55   96.83
</PRE>


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