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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>
04 Nov 1997 12:45:22 yearsecs  26570722
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.72  232.80  -47.90  150.79
    1.00  -61.36  247.80  -50.43  161.65
    2.00  -62.01  262.80  -53.30  172.56
    3.00  -62.65  277.80  -56.47  183.58
    4.00  -61.86  292.80  -58.74  196.28
    5.00  -62.94  307.80  -63.17  207.55
    6.00  -63.80  322.80  -67.69  220.16
    7.00  -64.12  337.80  -71.71  236.31
    8.00  -64.96  352.80  -75.82  256.68
    9.00  -64.37    7.80  -77.28  287.82
   10.00  -63.91   22.80  -76.26  322.12
   11.00  -63.70   37.80  -73.03  349.66
   12.00  -63.72   52.80  -69.05    9.74
   13.00  -63.96   67.80  -65.31   25.98
   14.00  -64.43   82.80  -62.07   40.62
   15.00  -65.13   97.80  -59.35   54.37
   16.00  -66.05  112.80  -57.22   67.21
   17.00  -67.20  127.80  -55.87   79.04
   18.00  -67.18  142.80  -53.98   89.08
   19.00  -66.53  157.80  -52.02   98.70
   20.00  -65.00  172.80  -49.65  108.32
   21.00  -63.89  187.80  -48.22  118.44
   22.00  -62.44  202.80  -47.10  128.85
   23.00  -61.28  217.80  -46.94  139.68
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.74  232.80  -59.11  145.25
    1.00  -73.49  247.80  -61.41  153.30
    2.00  -74.37  262.80  -64.17  160.74
    3.00  -75.13  277.80  -67.13  167.64
    4.00  -77.13  292.80  -71.19  170.58
    5.00  -78.16  307.80  -74.56  173.41
    6.00  -78.00  322.80  -77.47  178.88
    7.00  -77.66  337.80  -80.60  184.30
    8.00  -78.15  352.80  -83.87  179.45
    9.00  -78.06    7.80  -86.82  160.44
   10.00  -77.91   22.80  -87.16   91.67
   11.00  -77.62   37.80  -84.15   64.62
   12.00  -77.30   52.80  -80.48   61.79
   13.00  -77.19   67.80  -76.82   65.60
   14.00  -77.10   82.80  -73.39   71.08
   15.00  -76.64   97.80  -69.99   76.27
   16.00  -76.49  112.80  -67.19   82.92
   17.00  -75.33  127.80  -63.89   88.35
   18.00  -75.13  142.80  -61.94   95.86
   19.00  -75.58  157.80  -61.13  104.08
   20.00  -75.10  172.80  -59.84  111.71
   21.00  -73.63  187.80  -57.99  119.53
   22.00  -73.36  202.80  -57.86  127.95
   23.00  -72.44  217.80  -57.64  136.72
</PRE>


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