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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>
15 Aug 1997 03:39:20 yearsecs  19539560
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.10   17.42  -67.65  311.19
    1.00  -57.39   32.42  -66.33  336.19
    2.00  -58.12   47.42  -63.21  356.36
    3.00  -66.34   62.42  -69.47   25.16
    4.00  -67.45   77.42  -66.67   41.39
    5.00  -68.01   92.42  -63.55   54.64
    6.00  -67.83  107.42  -60.08   65.54
    7.00  -67.11  122.42  -56.61   75.26
    8.00  -67.60  137.42  -55.01   85.84
    9.00  -67.93  152.42  -53.85   95.90
   10.00  -67.88  167.42  -52.80  105.65
   11.00  -68.24  182.42  -52.63  115.46
   12.00  -68.87  197.42  -53.25  125.03
   13.00  -68.82  212.42  -53.79  134.46
   14.00  -68.76  227.42  -54.88  143.98
   15.00  -68.69  242.42  -56.44  153.67
   16.00  -68.62  257.42  -58.39  163.59
   17.00  -68.52  272.42  -60.70  173.76
   18.00  -69.95  287.42  -64.72  181.98
   19.00  -70.15  302.42  -68.10  191.83
   20.00  -68.83  317.42  -70.64  205.87
   21.00  -65.97  332.42  -72.06  226.37
   22.00  -61.52  347.42  -71.36  253.71
   23.00  -58.52    2.42  -70.58  282.15
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.10   17.42  -73.56  310.53
    1.00  -62.39   32.42  -72.70  339.47
    2.00  -63.12   47.42  -69.79    2.30
    3.00  -71.34   62.42  -74.42   38.51
    4.00  -74.02   77.42  -72.58   58.16
    5.00  -73.90   92.42  -68.96   66.68
    6.00  -73.35  107.42  -65.38   74.20
    7.00  -72.11  122.42  -61.60   81.04
    8.00  -72.60  137.42  -60.04   90.32
    9.00  -72.93  152.42  -58.89   99.18
   10.00  -72.88  167.42  -57.84  107.74
   11.00  -73.24  182.42  -57.67  116.43
   12.00  -73.87  197.42  -58.26  124.90
   13.00  -73.82  212.42  -58.68  133.23
   14.00  -73.76  227.42  -59.60  141.61
   15.00  -73.69  242.42  -60.98  150.08
   16.00  -73.62  257.42  -62.77  158.64
   17.00  -73.52  272.42  -64.94  167.32
   18.00  -74.95  287.42  -68.69  173.06
   19.00  -75.15  302.42  -71.77  180.44
   20.00  -73.83  317.42  -74.25  192.70
   21.00  -70.97  332.42  -76.06  213.31
   22.00  -66.52  347.42  -76.15  244.58
   23.00  -63.52    2.42  -75.90  277.23
</PRE>


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