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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>
28 Jan 1997 12:06:51 yearsecs   2376411
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.05  249.20  -46.51  164.88
    1.00  -57.34  264.20  -49.18  176.70
    2.00  -57.61  279.20  -52.10  188.86
    3.00  -57.86  294.20  -55.31  201.37
    4.00  -58.10  309.20  -58.93  214.47
    5.00  -58.73  324.20  -63.24  228.47
    6.00  -60.54  339.20  -68.61  243.63
    7.00  -61.99  354.20  -73.12  263.91
    8.00  -61.49    9.20  -74.21  293.26
    9.00  -61.18   24.20  -72.83  323.96
   10.00  -60.95   39.20  -69.24  348.60
   11.00  -60.90   54.20  -65.11    7.20
   12.00  -61.06   69.20  -61.36   22.84
   13.00  -61.41   84.20  -58.22   37.36
   14.00  -61.97   99.20  -55.60   51.37
   15.00  -62.74  114.20  -53.48   64.67
   16.00  -63.72  129.20  -52.07   76.99
   17.00  -64.91  144.20  -51.51   88.52
   18.00  -65.19  159.20  -50.56   99.03
   19.00  -63.85  174.20  -48.44  108.99
   20.00  -62.22  189.20  -46.55  119.27
   21.00  -61.00  204.20  -45.75  129.94
   22.00  -59.14  219.20  -45.00  141.18
   23.00  -58.01  234.20  -45.45  152.83
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.95  249.20  -60.21  155.50
    1.00  -72.84  264.20  -63.08  163.48
    2.00  -73.69  279.20  -66.23  170.92
    3.00  -74.14  294.20  -69.39  178.48
    4.00  -74.85  309.20  -73.02  184.87
    5.00  -76.00  324.20  -77.00  188.38
    6.00  -76.35  339.20  -80.63  193.07
    7.00  -75.42  354.20  -84.12  207.57
    8.00  -75.41    9.20  -88.07  223.32
    9.00  -75.74   24.20  -87.78   36.84
   10.00  -75.26   39.20  -83.50   40.32
   11.00  -74.94   54.20  -79.23   47.79
   12.00  -74.74   69.20  -75.15   55.79
   13.00  -74.57   84.20  -71.36   63.76
   14.00  -74.58   99.20  -68.08   72.05
   15.00  -74.41  114.20  -65.11   79.82
   16.00  -74.75  129.20  -63.15   88.29
   17.00  -74.95  144.20  -61.63   96.41
   18.00  -74.57  159.20  -60.03  104.11
   19.00  -73.66  174.20  -58.33  111.92
   20.00  -73.34  189.20  -57.68  120.29
   21.00  -72.58  204.20  -57.13  128.85
   22.00  -72.69  219.20  -57.97  137.44
   23.00  -71.83  234.20  -58.40  146.63
</PRE>


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