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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>
12 Jul 1997 12:26:26 yearsecs  16633586
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.45  249.40  -48.86  163.85
    1.00  -60.87  264.40  -52.51  174.59
    2.00  -61.79  279.40  -56.00  185.60
    3.00  -68.19  294.40  -64.70  189.48
    4.00  -68.01  309.40  -68.00  201.02
    5.00  -68.88  324.40  -72.44  211.80
    6.00  -69.09  339.40  -76.42  226.66
    7.00  -69.68  354.40  -80.51  246.57
    8.00  -70.03    9.40  -83.43  282.73
    9.00  -70.05   24.40  -82.98  333.55
   10.00  -69.58   39.40  -79.21    5.32
   11.00  -69.15   54.40  -74.65   23.73
   12.00  -68.98   69.40  -70.34   37.85
   13.00  -69.06   84.40  -66.53   50.41
   14.00  -69.40   99.40  -63.33   62.18
   15.00  -69.95  114.40  -60.85   73.21
   16.00  -69.77  129.40  -58.24   82.61
   17.00  -69.57  144.40  -56.24   91.87
   18.00  -70.68  159.40  -56.11  101.87
   19.00  -69.99  174.40  -54.62  110.82
   20.00  -69.24  189.40  -53.56  120.01
   21.00  -67.69  204.40  -52.30  129.53
   22.00  -63.82  219.40  -49.51  140.22
   23.00  -61.35  234.40  -48.69  151.73
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -64.45  249.40  -53.51  161.07
    1.00  -65.87  264.40  -57.03  170.76
    2.00  -66.79  279.40  -60.46  180.57
    3.00  -74.11  294.40  -69.41  178.66
    4.00  -76.59  309.40  -74.08  179.48
    5.00  -76.81  324.40  -77.39  184.89
    6.00  -76.08  339.40  -80.60  194.85
    7.00  -74.84  354.40  -83.97  213.47
    8.00  -75.04    9.40  -87.98  234.65
    9.00  -75.14   24.40  -87.56   21.44
   10.00  -74.92   39.40  -83.31   37.32
   11.00  -75.08   54.40  -79.25   48.69
   12.00  -75.49   69.40  -75.56   58.89
   13.00  -75.31   84.40  -71.85   66.05
   14.00  -75.13   99.40  -68.49   73.40
   15.00  -74.95  114.40  -65.57   80.85
   16.00  -74.77  129.40  -63.15   88.42
   17.00  -74.57  144.40  -61.24   96.14
   18.00  -75.98  159.40  -61.43  105.20
   19.00  -76.27  174.40  -60.97  113.03
   20.00  -75.17  189.40  -59.54  120.59
   21.00  -72.69  204.40  -57.24  128.94
   22.00  -68.82  219.40  -54.27  138.86
   23.00  -66.35  234.40  -53.36  149.61
</PRE>


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