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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>
28 Jun 1997 13:36:29 yearsecs  15428189
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.88  234.41  -49.20  151.53
    1.00  -62.47  249.41  -51.69  162.24
    2.00  -63.05  264.41  -54.51  173.02
    3.00  -63.63  279.41  -57.66  183.90
    4.00  -63.13  294.41  -60.24  196.18
    5.00  -64.34  309.41  -64.83  207.00
    6.00  -64.91  324.41  -69.10  219.92
    7.00  -64.98  339.41  -72.89  236.74
    8.00  -65.70  354.41  -76.84  258.04
    9.00  -65.11    9.41  -78.18  290.79
   10.00  -64.69   24.41  -76.95  326.01
   11.00  -64.50   39.41  -73.58  353.30
   12.00  -64.52   54.41  -69.58   12.99
   13.00  -64.77   69.41  -65.83   28.96
   14.00  -65.25   84.41  -62.58   43.36
   15.00  -65.95   99.41  -59.85   56.83
   16.00  -66.87  114.41  -57.76   69.35
   17.00  -68.02  129.41  -56.47   80.90
   18.00  -68.03  144.41  -54.68   90.75
   19.00  -67.35  159.41  -52.74  100.17
   20.00  -65.94  174.41  -50.54  109.67
   21.00  -64.84  189.41  -49.16  119.64
   22.00  -63.55  204.41  -48.25  129.90
   23.00  -62.37  219.41  -48.13  140.59
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.90  234.41  -59.41  146.09
    1.00  -73.86  249.41  -61.94  153.86
    2.00  -74.78  264.41  -64.75  161.05
    3.00  -75.68  279.41  -67.83  167.45
    4.00  -77.98  294.41  -72.01  168.94
    5.00  -78.97  309.41  -75.21  170.92
    6.00  -78.58  324.41  -77.96  176.50
    7.00  -78.23  339.41  -81.01  180.72
    8.00  -78.80  354.41  -84.01  172.13
    9.00  -78.59    9.41  -86.59  149.41
   10.00  -78.55   24.41  -86.40   94.37
   11.00  -78.33   39.41  -83.65   71.09
   12.00  -77.98   54.41  -80.21   66.52
   13.00  -77.83   69.41  -76.71   69.10
   14.00  -77.86   84.41  -73.49   74.34
   15.00  -77.43   99.41  -70.27   79.02
   16.00  -77.26  114.41  -67.58   85.19
   17.00  -75.91  129.41  -64.23   89.99
   18.00  -75.69  144.41  -62.33   97.27
   19.00  -76.28  159.41  -61.72  105.42
   20.00  -75.77  174.41  -60.46  112.84
   21.00  -74.09  189.41  -58.45  120.48
   22.00  -73.59  204.41  -58.13  128.82
   23.00  -72.80  219.41  -58.09  137.51
</PRE>


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