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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>
19 Jan 1997 13:57:33 yearsecs   1605453
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.52  219.90  -48.31  140.90
    1.00  -63.76  234.90  -51.02  151.11
    2.00  -64.58  249.90  -53.69  161.34
    3.00  -67.57  264.90  -58.61  169.59
    4.00  -67.24  279.90  -60.94  180.41
    5.00  -67.99  294.90  -64.63  190.15
    6.00  -68.04  309.90  -68.14  201.36
    7.00  -68.57  324.90  -72.32  212.99
    8.00  -69.78  339.90  -77.09  225.07
    9.00  -70.15  354.90  -81.03  245.55
   10.00  -69.62    9.90  -83.04  285.38
   11.00  -69.17   24.90  -81.95  332.81
   12.00  -69.00   39.90  -78.49    4.18
   13.00  -69.10   54.90  -74.46   24.11
   14.00  -69.45   69.90  -70.66   39.48
   15.00  -70.06   84.90  -67.36   52.92
   16.00  -70.67   99.90  -64.44   64.71
   17.00  -70.74  114.90  -61.53   74.60
   18.00  -70.84  129.90  -59.24   84.04
   19.00  -70.13  144.90  -56.76   92.60
   20.00  -69.24  159.90  -54.61  101.42
   21.00  -68.44  174.90  -53.03  110.68
   22.00  -66.35  189.90  -50.67  120.09
   23.00  -64.18  204.90  -48.89  130.18
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.52  219.90  -53.06  139.57
    1.00  -68.76  234.90  -55.64  148.77
    2.00  -69.58  249.90  -58.19  157.89
    3.00  -76.02  264.90  -65.85  159.51
    4.00  -78.20  279.90  -69.76  162.41
    5.00  -78.61  294.90  -72.46  167.30
    6.00  -77.70  309.90  -74.74  175.84
    7.00  -76.35  324.90  -77.31  187.17
    8.00  -76.32  339.90  -80.79  193.55
    9.00  -76.46  354.90  -84.48  196.88
   10.00  -76.29    9.90  -88.27  193.46
   11.00  -76.46   24.90  -87.56   56.01
   12.00  -76.86   39.90  -83.66   56.38
   13.00  -76.72   54.90  -79.80   58.64
   14.00  -76.58   69.90  -76.04   63.68
   15.00  -76.43   84.90  -72.51   69.76
   16.00  -76.27   99.90  -69.30   76.33
   17.00  -76.11  114.90  -66.51   83.18
   18.00  -77.42  129.90  -65.57   92.46
   19.00  -77.79  144.90  -64.34   99.83
   20.00  -76.92  159.90  -62.33  106.14
   21.00  -74.75  174.90  -59.40  112.70
   22.00  -71.35  189.90  -55.67  120.51
   23.00  -69.18  204.90  -53.78  129.69
</PRE>


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