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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 12:06:29 yearsecs   2376389
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -57.05  249.30  -46.53  164.95
    1.00  -57.34  264.30  -49.20  176.78
    2.00  -57.61  279.30  -52.12  188.94
    3.00  -57.87  294.30  -55.33  201.46
    4.00  -58.10  309.30  -58.96  214.55
    5.00  -58.73  324.30  -63.26  228.57
    6.00  -60.54  339.30  -68.63  243.76
    7.00  -61.98  354.30  -73.13  264.08
    8.00  -61.48    9.30  -74.20  293.47
    9.00  -61.17   24.30  -72.80  324.14
   10.00  -60.94   39.30  -69.21  348.73
   11.00  -60.90   54.30  -65.08    7.31
   12.00  -61.06   69.30  -61.34   22.93
   13.00  -61.41   84.30  -58.20   37.45
   14.00  -61.98   99.30  -55.58   51.45
   15.00  -62.75  114.30  -53.47   64.75
   16.00  -63.72  129.30  -52.06   77.07
   17.00  -64.91  144.30  -51.50   88.59
   18.00  -65.19  159.30  -50.55   99.10
   19.00  -63.85  174.30  -48.44  109.05
   20.00  -62.22  189.30  -46.56  119.33
   21.00  -61.00  204.30  -45.76  130.01
   22.00  -59.14  219.30  -45.01  141.25
   23.00  -58.01  234.30  -45.46  152.90
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.95  249.30  -60.23  155.56
    1.00  -72.84  264.30  -63.09  163.54
    2.00  -73.69  279.30  -66.25  170.97
    3.00  -74.14  294.30  -69.41  178.53
    4.00  -74.85  309.30  -73.04  184.92
    5.00  -76.00  324.30  -77.03  188.42
    6.00  -76.35  339.30  -80.66  193.09
    7.00  -75.43  354.30  -84.14  207.62
    8.00  -75.41    9.30  -88.10  223.50
    9.00  -75.74   24.30  -87.76   36.93
   10.00  -75.26   39.30  -83.48   40.39
   11.00  -74.94   54.30  -79.20   47.86
   12.00  -74.74   69.30  -75.13   55.85
   13.00  -74.57   84.30  -71.33   63.81
   14.00  -74.58   99.30  -68.06   72.10
   15.00  -74.41  114.30  -65.10   79.87
   16.00  -74.75  129.30  -63.14   88.34
   17.00  -74.95  144.30  -61.62   96.46
   18.00  -74.58  159.30  -60.02  104.16
   19.00  -73.66  174.30  -58.33  111.97
   20.00  -73.34  189.30  -57.68  120.34
   21.00  -72.59  204.30  -57.13  128.90
   22.00  -72.69  219.30  -57.97  137.49
   23.00  -71.83  234.30  -58.41  146.69
</PRE>


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