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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>
01 Oct 1997 21:17:12 yearsecs  23663832
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.46  109.75  -50.72   57.67
    1.00  -60.11  124.75  -48.90   70.70
    2.00  -60.75  139.75  -47.65   82.74
    3.00  -61.40  154.75  -46.99   94.18
    4.00  -60.61  169.75  -45.33  104.92
    5.00  -61.60  184.75  -45.94  116.03
    6.00  -62.81  199.75  -47.34  126.70
    7.00  -63.59  214.75  -48.92  137.05
    8.00  -63.98  229.75  -50.65  147.40
    9.00  -63.34  244.75  -51.85  158.36
   10.00  -62.93  259.75  -53.65  169.62
   11.00  -62.73  274.75  -56.00  181.15
   12.00  -62.77  289.75  -58.93  192.85
   13.00  -63.03  304.75  -62.51  204.83
   14.00  -63.51  319.75  -66.66  217.63
   15.00  -64.22  334.75  -71.06  232.42
   16.00  -65.15  349.75  -75.38  251.25
   17.00  -66.30    4.75  -79.06  278.18
   18.00  -66.31   19.75  -79.34  316.01
   19.00  -65.57   34.75  -75.98  347.37
   20.00  -63.98   49.75  -70.20    6.55
   21.00  -62.85   64.75  -64.77   21.15
   22.00  -61.26   79.75  -59.06   33.07
   23.00  -60.11   94.75  -54.38   45.18
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.28  109.75  -64.88   75.42
    1.00  -73.93  124.75  -63.00   84.80
    2.00  -74.77  139.75  -61.91   93.88
    3.00  -75.42  154.75  -61.19  102.36
    4.00  -77.02  169.75  -61.91  111.06
    5.00  -78.08  184.75  -62.57  118.72
    6.00  -78.19  199.75  -62.68  125.81
    7.00  -77.71  214.75  -62.66  133.07
    8.00  -78.19  229.75  -64.01  139.88
    9.00  -78.34  244.75  -65.42  146.66
   10.00  -78.20  259.75  -66.97  153.63
   11.00  -77.99  274.75  -68.83  160.65
   12.00  -77.66  289.75  -71.00  167.88
   13.00  -77.50  304.75  -73.64  174.52
   14.00  -77.32  319.75  -76.59  180.94
   15.00  -76.85  334.75  -79.73  188.46
   16.00  -76.74  349.75  -83.24  193.29
   17.00  -75.88    4.75  -86.96  207.17
   18.00  -75.64   19.75  -88.98   26.46
   19.00  -75.77   34.75  -84.89   43.06
   20.00  -75.28   49.75  -80.61   47.20
   21.00  -74.02   64.75  -75.84   50.22
   22.00  -73.87   79.75  -71.90   59.11
   23.00  -72.87   94.75  -67.57   65.72
</PRE>


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