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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>
27 Sep 1997 13:41:16 yearsecs  23290876
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.19  225.44  -48.52  144.93
    1.00  -62.75  240.44  -50.75  155.53
    2.00  -63.32  255.44  -53.35  166.16
    3.00  -63.88  270.44  -56.26  176.88
    4.00  -63.47  285.44  -58.68  188.71
    5.00  -64.74  300.44  -63.04  199.02
    6.00  -65.22  315.44  -67.11  210.92
    7.00  -65.24  330.44  -70.91  225.63
    8.00  -65.63  345.44  -74.89  243.63
    9.00  -65.27    0.44  -77.44  270.53
   10.00  -64.85   15.44  -77.95  305.41
   11.00  -64.66   30.44  -75.86  338.21
   12.00  -64.70   45.44  -72.24    2.25
   13.00  -64.96   60.44  -68.44   20.36
   14.00  -65.44   75.44  -65.03   35.77
   15.00  -66.15   90.44  -62.11   49.92
   16.00  -67.08  105.44  -59.73   63.05
   17.00  -68.23  120.44  -58.08   75.11
   18.00  -68.26  135.44  -55.92   85.08
   19.00  -67.57  150.44  -53.65   94.38
   20.00  -66.20  165.44  -51.21  103.70
   21.00  -65.09  180.44  -49.51  113.56
   22.00  -63.85  195.44  -48.25  123.70
   23.00  -62.66  210.44  -47.73  134.19
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -74.46  225.44  -60.11  140.13
    1.00  -75.48  240.44  -62.40  147.47
    2.00  -76.41  255.44  -64.92  154.18
    3.00  -77.34  270.44  -67.71  159.97
    4.00  -79.57  285.44  -71.50  161.15
    5.00  -80.50  300.44  -74.30  162.75
    6.00  -80.19  315.44  -76.68  167.17
    7.00  -79.69  330.44  -79.29  171.32
    8.00  -80.31  345.44  -81.88  164.76
    9.00  -80.01    0.44  -84.33  155.03
   10.00  -79.93   15.44  -85.55  125.98
   11.00  -79.68   30.44  -84.65   92.95
   12.00  -79.30   45.44  -82.14   76.99
   13.00  -79.10   60.44  -79.02   73.94
   14.00  -79.11   75.44  -75.91   76.48
   15.00  -78.68   90.44  -72.77   79.25
   16.00  -78.48  105.44  -69.99   84.16
   17.00  -77.12  120.44  -66.56   87.64
   18.00  -76.86  135.44  -64.40   94.23
   19.00  -77.46  150.44  -63.54  102.05
   20.00  -77.02  165.44  -62.12  108.93
   21.00  -75.46  180.44  -59.97  115.89
   22.00  -74.98  195.44  -59.36  123.80
   23.00  -74.36  210.44  -59.13  131.99
</PRE>


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