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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>
12 Mar 1997 13:33:35 yearsecs   6096815
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.12  230.96  -49.03  148.93
    1.00  -62.69  245.96  -51.41  159.58
    2.00  -63.26  260.96  -54.14  170.29
    3.00  -63.82  275.96  -57.19  181.09
    4.00  -63.39  290.96  -59.74  193.13
    5.00  -64.65  305.96  -64.27  203.64
    6.00  -65.16  320.96  -68.44  216.13
    7.00  -65.19  335.96  -72.24  232.04
    8.00  -65.82  350.96  -76.27  251.80
    9.00  -65.22    5.96  -78.05  282.63
   10.00  -64.80   20.96  -77.51  318.39
   11.00  -64.61   35.96  -74.57  347.97
   12.00  -64.65   50.96  -70.68    9.18
   13.00  -64.90   65.96  -66.90   25.86
   14.00  -65.39   80.96  -63.58   40.60
   15.00  -66.09   95.96  -60.78   54.31
   16.00  -67.03  110.96  -58.57   67.04
   17.00  -67.50  125.96  -56.45   78.09
   18.00  -67.33  140.96  -54.33   87.97
   19.00  -67.52  155.96  -53.16   97.98
   20.00  -66.14  170.96  -50.88  107.40
   21.00  -65.04  185.96  -49.37  117.31
   22.00  -63.78  200.96  -48.34  127.50
   23.00  -62.60  215.96  -48.06  138.09
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.17  230.96  -54.68  146.51
    1.00  -69.31  245.96  -57.43  155.56
    2.00  -70.34  260.96  -60.42  164.29
    3.00  -71.38  275.96  -63.76  172.51
    4.00  -74.35  290.96  -68.91  176.24
    5.00  -75.48  305.96  -72.72  181.34
    6.00  -74.72  320.96  -75.61  191.74
    7.00  -74.30  335.96  -79.01  202.78
    8.00  -74.91  350.96  -83.10  209.91
    9.00  -74.77    5.96  -86.97  230.68
   10.00  -74.93   20.96  -88.33    2.57
   11.00  -74.83   35.96  -84.23   33.32
   12.00  -74.51   50.96  -79.89   43.23
   13.00  -74.45   65.96  -75.80   52.70
   14.00  -74.66   80.96  -72.19   62.22
   15.00  -74.25   95.96  -68.48   69.52
   16.00  -74.16  110.96  -65.45   77.62
   17.00  -72.50  125.96  -61.45   83.62
   18.00  -72.33  140.96  -59.37   92.10
   19.00  -73.20  155.96  -58.89  101.39
   20.00  -72.53  170.96  -57.32  109.64
   21.00  -70.25  185.96  -54.60  118.00
   22.00  -69.40  200.96  -53.86  127.22
   23.00  -68.29  215.96  -53.51  136.82
</PRE>


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