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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>
30 Jun 1997 16:35:28 yearsecs  15611728
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.16  187.58  -46.49  118.11
    1.00  -64.16  202.58  -48.77  128.60
    2.00  -65.59  217.58  -51.05  138.55
    3.00  -69.50  232.58  -56.07  146.91
    4.00  -69.27  247.58  -57.61  156.63
    5.00  -70.03  262.58  -60.40  165.64
    6.00  -70.17  277.58  -63.03  175.19
    7.00  -70.74  292.58  -66.43  184.11
    8.00  -72.02  307.58  -70.72  191.38
    9.00  -72.91  322.58  -74.90  199.02
   10.00  -72.36  337.58  -78.32  212.94
   11.00  -71.69  352.58  -81.69  234.09
   12.00  -71.33    7.58  -84.53  271.79
   13.00  -71.25   22.58  -84.53  331.41
   14.00  -71.43   37.58  -81.43   10.17
   15.00  -71.52   52.58  -77.33   30.02
   16.00  -70.67   67.58  -72.42   40.82
   17.00  -69.64   82.58  -67.53   50.23
   18.00  -70.13   97.58  -64.44   62.17
   19.00  -69.34  112.58  -60.59   71.19
   20.00  -69.29  127.58  -58.03   80.97
   21.00  -67.57  142.58  -54.40   89.22
   22.00  -64.51  157.58  -49.98   97.61
   23.00  -63.05  172.58  -47.69  107.64
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.16  187.58  -51.49  118.64
    1.00  -69.16  202.58  -53.67  128.24
    2.00  -70.59  217.58  -55.83  137.19
    3.00  -77.11  232.58  -63.20  142.10
    4.00  -79.44  247.58  -66.67  146.49
    5.00  -80.09  262.58  -68.82  151.48
    6.00  -79.60  277.58  -70.38  158.21
    7.00  -78.79  292.58  -72.17  165.91
    8.00  -78.96  307.58  -74.87  170.39
    9.00  -79.10  322.58  -77.72  173.57
   10.00  -78.97  337.58  -80.65  175.76
   11.00  -78.63  352.58  -83.71  174.92
   12.00  -78.53    7.58  -86.43  155.39
   13.00  -77.93   22.58  -87.18   92.66
   14.00  -77.27   37.58  -84.24   60.84
   15.00  -76.52   52.58  -80.33   56.59
   16.00  -75.67   67.58  -76.12   58.71
   17.00  -74.64   82.58  -71.79   63.04
   18.00  -75.13   97.58  -68.85   72.43
   19.00  -74.34  112.58  -65.33   78.83
   20.00  -74.29  127.58  -62.94   86.82
   21.00  -72.57  142.58  -59.44   93.25
   22.00  -69.51  157.58  -55.05  100.10
   23.00  -68.05  172.58  -52.73  109.07
</PRE>


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