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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>
27 Jan 1997 12:19:12 yearsecs   2290752
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.37  245.83  -49.22  160.67
    1.00  -61.03  260.83  -52.08  171.72
    2.00  -61.69  275.83  -55.25  182.88
    3.00  -62.36  290.83  -58.78  194.15
    4.00  -61.50  305.83  -61.36  207.65
    5.00  -62.57  320.83  -66.07  220.07
    6.00  -63.54  335.83  -70.69  234.90
    7.00  -64.05  350.83  -74.54  255.08
    8.00  -64.27    5.83  -77.03  283.53
    9.00  -63.94   20.83  -76.53  317.86
   10.00  -63.53   35.83  -73.30  346.32
   11.00  -63.34   50.83  -69.13    6.82
   12.00  -63.37   65.83  -65.12   23.06
   13.00  -63.63   80.83  -61.64   37.59
   14.00  -64.12   95.83  -58.70   51.32
   15.00  -64.82  110.83  -56.32   64.29
   16.00  -65.76  125.83  -54.68   76.33
   17.00  -66.91  140.83  -53.91   87.58
   18.00  -66.89  155.83  -52.53   97.57
   19.00  -66.25  170.83  -50.99  107.35
   20.00  -64.71  185.83  -49.05  117.18
   21.00  -63.60  200.83  -48.16  127.42
   22.00  -62.11  215.83  -47.58  138.10
   23.00  -60.95  230.83  -47.90  149.26
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.33  245.83  -59.24  153.97
    1.00  -72.04  260.83  -61.88  162.42
    2.00  -72.93  275.83  -65.02  170.19
    3.00  -73.67  290.83  -68.38  177.56
    4.00  -75.72  305.83  -72.84  180.56
    5.00  -76.62  320.83  -76.53  184.27
    6.00  -76.73  335.83  -79.95  189.52
    7.00  -76.17  350.83  -83.43  198.73
    8.00  -76.81    5.83  -87.13  187.17
    9.00  -76.80   20.83  -88.35   78.42
   10.00  -76.65   35.83  -84.71   54.00
   11.00  -76.35   50.83  -80.72   54.81
   12.00  -76.05   65.83  -76.77   59.56
   13.00  -75.97   80.83  -73.12   66.37
   14.00  -75.88   95.83  -69.81   73.39
   15.00  -75.40  110.83  -66.58   79.84
   16.00  -75.28  125.83  -64.12   87.28
   17.00  -74.11  140.83  -61.15   93.76
   18.00  -73.92  155.83  -59.62  101.82
   19.00  -74.39  170.83  -59.20  110.34
   20.00  -73.86  185.83  -58.24  118.47
   21.00  -72.30  200.83  -56.75  126.93
   22.00  -72.05  215.83  -57.13  135.70
   23.00  -70.99  230.83  -57.29  145.07
</PRE>


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