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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>
26 Sep 1997 18:57:40 yearsecs  23223460
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.10  144.14  -51.71   88.60
    1.00  -65.20  159.14  -50.58   99.00
    2.00  -66.16  174.14  -50.77  109.55
    3.00  -67.12  189.14  -51.44  119.66
    4.00  -66.83  204.14  -51.45  129.44
    5.00  -67.61  219.14  -53.09  139.05
    6.00  -67.59  234.14  -54.48  148.86
    7.00  -67.59  249.14  -56.31  158.85
    8.00  -68.38  264.14  -59.21  168.30
    9.00  -68.34  279.14  -61.75  178.57
   10.00  -68.01  294.14  -64.48  189.57
   11.00  -67.88  309.14  -67.83  201.06
   12.00  -67.85  324.14  -71.55  213.91
   13.00  -68.11  339.14  -75.56  229.16
   14.00  -68.59  354.14  -79.50  249.97
   15.00  -69.30    9.14  -82.64  283.77
   16.00  -70.13   24.14  -83.11  333.00
   17.00  -70.75   39.14  -80.40    9.53
   18.00  -70.66   54.14  -76.15   28.37
   19.00  -70.10   69.14  -71.48   40.54
   20.00  -69.16   84.14  -66.69   50.43
   21.00  -68.25   99.14  -62.26   60.12
   22.00  -67.43  114.14  -58.38   69.83
   23.00  -66.00  129.14  -54.45   78.88
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.10  144.14  -56.81   92.11
    1.00  -71.19  159.14  -56.63  101.99
    2.00  -72.10  174.14  -56.76  111.34
    3.00  -76.98  189.14  -61.39  120.66
    4.00  -79.14  204.14  -63.74  127.68
    5.00  -79.48  219.14  -64.62  134.18
    6.00  -78.76  234.14  -64.88  141.40
    7.00  -77.96  249.14  -65.54  149.14
    8.00  -78.22  264.14  -67.54  155.56
    9.00  -77.98  279.14  -69.49  162.58
   10.00  -77.98  294.14  -71.96  168.83
   11.00  -77.80  309.14  -74.64  175.19
   12.00  -77.89  324.14  -77.72  179.77
   13.00  -77.69  339.14  -80.90  184.36
   14.00  -77.64  354.14  -84.25  184.06
   15.00  -77.40    9.14  -87.53  166.63
   16.00  -77.51   24.14  -87.24   80.78
   17.00  -77.27   39.14  -83.86   60.59
   18.00  -77.96   54.14  -80.27   66.35
   19.00  -77.82   69.14  -76.77   68.99
   20.00  -76.86   84.14  -72.95   70.84
   21.00  -74.91   99.14  -68.36   72.76
   22.00  -72.59  114.14  -63.44   76.85
   23.00  -71.00  129.14  -59.51   83.76
</PRE>


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