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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>
17 Apr 1997 16:24:39 yearsecs   9217479
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.32  187.92  -47.64  118.46
    1.00  -63.51  202.92  -48.14  128.87
    2.00  -64.20  217.92  -49.74  139.11
    3.00  -64.88  232.92  -51.83  149.25
    4.00  -64.62  247.92  -53.46  159.91
    5.00  -65.84  262.92  -56.77  169.73
    6.00  -66.13  277.92  -59.60  180.23
    7.00  -66.00  292.92  -62.48  191.48
    8.00  -66.69  307.92  -66.53  202.12
    9.00  -66.18  322.92  -69.83  216.16
   10.00  -65.72  337.92  -73.20  233.34
   11.00  -65.53  352.92  -76.39  255.74
   12.00  -65.57    7.92  -78.58  286.73
   13.00  -65.83   22.92  -78.46  323.43
   14.00  -66.31   37.92  -76.07  354.10
   15.00  -67.02   52.92  -72.84   16.39
   16.00  -67.95   67.92  -69.70   34.04
   17.00  -69.05   82.92  -66.88   49.23
   18.00  -69.01   97.92  -63.28   60.46
   19.00  -68.36  112.92  -59.54   70.12
   20.00  -67.11  127.92  -55.76   79.03
   21.00  -66.03  142.92  -52.79   88.37
   22.00  -64.92  157.92  -50.37   98.02
   23.00  -63.83  172.92  -48.46  108.08
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.22  187.92  -55.56  119.31
    1.00  -72.37  202.92  -56.87  128.13
    2.00  -73.37  217.92  -58.54  136.45
    3.00  -75.23  232.92  -61.45  143.69
    4.00  -77.84  247.92  -65.30  148.72
    5.00  -78.67  262.92  -67.74  154.23
    6.00  -78.02  277.92  -69.32  161.98
    7.00  -77.36  292.92  -71.36  170.02
    8.00  -78.20  307.92  -74.60  173.29
    9.00  -77.87  322.92  -77.45  179.52
   10.00  -77.92  337.92  -80.66  182.65
   11.00  -77.80  352.92  -83.96  182.91
   12.00  -77.55    7.92  -87.21  167.94
   13.00  -77.37   22.92  -87.56   82.34
   14.00  -77.50   37.92  -84.14   63.30
   15.00  -77.12   52.92  -80.41   60.60
   16.00  -77.06   67.92  -76.74   65.06
   17.00  -75.80   82.92  -72.53   66.81
   18.00  -75.71   97.92  -69.25   74.00
   19.00  -76.17  112.92  -66.89   82.34
   20.00  -75.47  127.92  -64.01   88.61
   21.00  -73.48  142.92  -60.31   94.29
   22.00  -72.44  157.92  -57.97  102.01
   23.00  -71.46  172.92  -56.16  110.39
</PRE>


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