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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>
09 Oct 1997 18:00:48 yearsecs  24343248
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.19  157.93  -47.58   96.83
    1.00  -62.75  172.93  -47.37  107.80
    2.00  -63.31  187.93  -47.64  118.47
    3.00  -63.87  202.93  -48.50  128.85
    4.00  -63.46  217.93  -49.04  139.28
    5.00  -64.73  232.93  -51.69  149.32
    6.00  -65.22  247.93  -54.00  159.56
    7.00  -65.23  262.93  -56.23  170.23
    8.00  -65.90  277.93  -59.40  180.48
    9.00  -65.26  292.93  -61.83  192.44
   10.00  -64.89  307.93  -64.95  204.94
   11.00  -64.66  322.93  -68.50  218.89
   12.00  -64.69  337.93  -72.27  235.41
   13.00  -64.95  352.93  -75.83  256.92
   14.00  -65.43    7.93  -78.43  286.92
   15.00  -66.14   22.93  -78.82  323.68
   16.00  -67.07   37.93  -76.93  355.73
   17.00  -68.23   52.93  -74.13   19.46
   18.00  -68.25   67.93  -70.01   34.76
   19.00  -67.56   82.93  -65.40   46.25
   20.00  -66.19   97.93  -60.44   56.01
   21.00  -65.09  112.93  -56.19   66.19
   22.00  -63.84  127.93  -52.38   76.15
   23.00  -62.66  142.93  -49.31   86.22
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.34  157.93  -56.87  101.35
    1.00  -72.43  172.93  -57.13  110.74
    2.00  -73.41  187.93  -57.77  119.57
    3.00  -74.40  202.93  -58.91  127.89
    4.00  -77.00  217.93  -62.11  134.94
    5.00  -78.03  232.93  -64.10  141.49
    6.00  -77.50  247.93  -65.00  149.14
    7.00  -76.84  262.93  -66.25  157.27
    8.00  -77.75  277.93  -69.13  162.57
    9.00  -77.48  292.93  -71.44  169.72
   10.00  -77.48  307.93  -74.25  175.86
   11.00  -77.24  322.93  -77.23  182.42
   12.00  -76.90  337.93  -80.48  189.18
   13.00  -76.77  352.93  -84.01  193.40
   14.00  -76.89    7.93  -87.58  181.40
   15.00  -76.47   22.93  -88.05   59.75
   16.00  -76.32   37.93  -84.12   50.46
   17.00  -74.81   52.93  -79.51   46.26
   18.00  -74.59   67.93  -75.38   54.47
   19.00  -75.30   82.93  -72.19   65.26
   20.00  -74.74   97.93  -68.47   71.71
   21.00  -72.83  112.93  -63.88   76.50
   22.00  -72.18  127.93  -60.85   84.37
   23.00  -71.36  142.93  -58.19   92.39
</PRE>


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