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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>
18 Mar 1997 17:22:13 yearsecs   6628933
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.85  172.96  -47.47  107.85
    1.00  -63.29  187.97  -47.62  118.49
    2.00  -63.87  202.96  -48.50  128.88
    3.00  -64.44  217.96  -49.98  139.08
    4.00  -64.16  232.96  -51.17  149.58
    5.00  -65.45  247.96  -54.22  159.44
    6.00  -65.79  262.96  -56.73  169.80
    7.00  -65.67  277.96  -59.20  180.76
    8.00  -66.37  292.96  -62.82  191.02
    9.00  -65.76  307.96  -65.73  203.66
   10.00  -65.36  322.96  -69.13  217.70
   11.00  -65.15  337.96  -72.69  234.57
   12.00  -65.19  352.96  -76.07  256.53
   13.00  -65.44    7.96  -78.45  287.00
   14.00  -65.93   22.96  -78.57  323.61
   15.00  -66.63   37.96  -76.43  354.84
   16.00  -67.57   52.96  -73.42   17.78
   17.00  -68.71   67.96  -70.45   35.90
   18.00  -68.72   82.96  -66.56   48.59
   19.00  -68.04   97.96  -62.31   58.90
   20.00  -66.73  112.96  -57.88   68.13
   21.00  -65.63  127.96  -54.24   77.72
   22.00  -64.47  142.96  -51.18   87.38
   23.00  -63.31  157.96  -48.73   97.34
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.27  172.96  -55.97  110.35
    1.00  -72.45  187.97  -56.80  119.48
    2.00  -73.46  202.96  -57.96  128.03
    3.00  -74.73  217.96  -59.87  135.95
    4.00  -77.44  232.96  -63.55  142.01
    5.00  -78.41  247.96  -65.81  148.03
    6.00  -77.75  262.96  -67.00  155.82
    7.00  -77.06  277.96  -68.64  164.01
    8.00  -78.01  292.96  -71.78  168.26
    9.00  -77.67  307.96  -74.35  175.20
   10.00  -77.72  322.96  -77.41  180.22
   11.00  -77.49  337.96  -80.61  185.46
   12.00  -77.22  352.96  -84.02  188.76
   13.00  -77.06    7.96  -87.51  177.35
   14.00  -77.24   22.96  -87.65   79.42
   15.00  -76.84   37.96  -84.16   56.12
   16.00  -76.71   52.96  -80.28   57.95
   17.00  -75.20   67.96  -75.75   56.95
   18.00  -75.01   82.96  -71.97   64.39
   19.00  -75.71   97.96  -69.24   74.02
   20.00  -75.10  112.96  -65.94   80.36
   21.00  -73.09  127.96  -61.73   85.49
   22.00  -72.26  142.96  -59.09   93.20
   23.00  -71.43  157.96  -56.96  101.43
</PRE>


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