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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
05 Jun 1997 11:29:39 yearsecs  13433379
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.67  260.29  -52.59  170.88
    1.00  -62.25  275.29  -55.66  181.98
    2.00  -62.84  290.29  -59.10  193.21
    3.00  -63.42  305.29  -62.99  204.77
    4.00  -62.91  320.29  -66.24  219.05
    5.00  -64.15  335.29  -71.13  233.18
    6.00  -64.79  350.29  -75.15  252.82
    7.00  -65.08    5.29  -77.84  281.29
    8.00  -65.46   20.29  -78.32  317.04
    9.00  -64.82   35.29  -74.98  347.15
   10.00  -64.41   50.29  -70.58    7.95
   11.00  -64.23   65.29  -66.29   23.98
   12.00  -64.27   80.29  -62.50   38.13
   13.00  -64.54   95.29  -59.28   51.47
   14.00  -65.03  110.29  -56.64   64.12
   15.00  -65.75  125.29  -54.76   75.94
   16.00  -66.69  140.29  -53.75   87.05
   17.00  -67.86  155.29  -53.55   97.73
   18.00  -67.88  170.29  -52.66  107.52
   19.00  -67.20  185.29  -51.54  117.15
   20.00  -65.78  200.29  -50.28  126.97
   21.00  -64.67  215.29  -50.00  137.20
   22.00  -63.36  230.29  -50.13  148.00
   23.00  -62.17  245.29  -50.84  159.36
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -70.38  260.29  -60.36  163.82
    1.00  -71.46  275.29  -63.71  171.98
    2.00  -72.54  290.29  -67.39  179.44
    3.00  -73.66  305.29  -71.37  185.94
    4.00  -76.22  320.29  -76.22  185.69
    5.00  -77.50  335.29  -80.01  184.81
    6.00  -76.86  350.29  -83.38  192.28
    7.00  -76.13    5.29  -87.11  202.10
    8.00  -77.00   20.29  -88.31   86.85
    9.00  -76.78   35.29  -84.85   55.68
   10.00  -76.77   50.29  -80.98   57.50
   11.00  -76.55   65.29  -77.14   61.62
   12.00  -76.19   80.29  -73.38   66.84
   13.00  -76.06   95.29  -70.05   73.58
   14.00  -76.13  110.29  -67.30   81.00
   15.00  -75.68  125.29  -64.57   87.60
   16.00  -75.54  140.29  -62.60   95.00
   17.00  -74.03  155.29  -59.76  101.59
   18.00  -73.77  170.29  -58.60  109.77
   19.00  -74.43  185.29  -58.83  118.26
   20.00  -73.81  200.29  -58.25  126.50
   21.00  -71.86  215.29  -56.92  135.44
   22.00  -71.25  230.29  -57.48  144.61
   23.00  -70.30  245.29  -58.24  154.42
</PRE>


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