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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>
31 Mar 1997 23:07:57 yearsecs   7772877
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.41   84.84  -62.65   44.00
    1.00  -64.79   99.84  -58.54   55.56
    2.00  -65.83  114.84  -56.61   68.46
    3.00  -66.87  129.84  -55.24   80.13
    4.00  -66.64  144.84  -53.21   90.07
    5.00  -67.48  159.84  -52.84  100.52
    6.00  -67.52  174.84  -52.12  110.39
    7.00  -67.45  189.84  -51.77  120.14
    8.00  -68.17  204.84  -52.79  129.76
    9.00  -67.95  219.84  -53.47  139.40
   10.00  -67.63  234.84  -54.59  149.30
   11.00  -67.43  249.84  -56.26  159.43
   12.00  -67.47  264.84  -58.52  169.64
   13.00  -67.73  279.84  -61.35  179.80
   14.00  -68.21  294.84  -64.81  189.78
   15.00  -68.91  309.84  -68.85  199.66
   16.00  -69.79  324.84  -73.26  209.91
   17.00  -70.57  339.84  -77.67  222.28
   18.00  -70.40  354.84  -81.22  244.37
   19.00  -69.86    9.84  -83.29  284.62
   20.00  -68.88   24.84  -81.64  332.05
   21.00  -67.93   39.84  -77.38    0.97
   22.00  -67.05   54.84  -72.34   18.68
   23.00  -66.22   69.84  -67.35   32.13
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.55   84.84  -68.73   56.25
    1.00  -72.57   99.84  -66.21   68.23
    2.00  -73.50  114.84  -64.17   78.67
    3.00  -77.79  129.84  -65.92   93.01
    4.00  -79.87  144.84  -66.32  102.42
    5.00  -80.20  159.84  -65.60  108.89
    6.00  -79.57  174.84  -64.32  114.76
    7.00  -78.97  189.84  -63.43  121.24
    8.00  -79.31  204.84  -63.93  127.95
    9.00  -79.17  219.84  -64.35  134.68
   10.00  -79.24  234.84  -65.38  141.25
   11.00  -79.01  249.84  -66.53  148.05
   12.00  -79.13  264.84  -68.34  154.21
   13.00  -78.87  279.84  -70.22  160.82
   14.00  -78.81  294.84  -72.57  166.66
   15.00  -78.53  309.84  -75.11  172.74
   16.00  -78.66  324.84  -78.07  176.20
   17.00  -78.38  339.84  -81.11  179.75
   18.00  -78.82  354.84  -84.08  171.67
   19.00  -78.52    9.84  -86.70  148.73
   20.00  -77.56   24.84  -87.07   79.56
   21.00  -75.71   39.84  -83.47   44.95
   22.00  -73.70   54.84  -78.33   41.80
   23.00  -72.24   69.84  -73.15   47.40
</PRE>


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