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    <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>
23 May 1997 20:50:33 yearsecs  12343833
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.15  113.54  -57.18   67.88
    1.00  -66.78  128.54  -55.33   79.16
    2.00  -67.89  143.54  -54.63   90.08
    3.00  -69.04  158.54  -54.51  100.45
    4.00  -69.13  173.54  -53.79  110.02
    5.00  -70.30  188.54  -54.62  119.59
    6.00  -70.98  203.54  -55.51  128.65
    7.00  -72.67  218.54  -57.90  137.06
    8.00  -72.67  233.54  -59.12  145.73
    9.00  -73.37  248.54  -61.40  153.84
   10.00  -72.66  263.54  -62.82  163.31
   11.00  -71.56  278.54  -64.37  173.86
   12.00  -70.91  293.54  -66.76  184.45
   13.00  -70.60  308.54  -69.87  195.23
   14.00  -70.61  323.54  -73.55  206.63
   15.00  -70.92  338.54  -77.59  219.56
   16.00  -71.28  353.54  -81.61  237.85
   17.00  -71.16    8.54  -84.49  275.94
   18.00  -71.09   23.54  -84.22  334.16
   19.00  -70.23   38.54  -80.07    6.35
   20.00  -69.33   53.54  -75.07   23.34
   21.00  -68.54   68.54  -70.14   36.03
   22.00  -68.04   83.54  -65.73   47.68
   23.00  -67.35   98.54  -61.49   58.25
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.15  113.54  -62.17   74.34
    1.00  -72.38  128.54  -60.96   84.96
    2.00  -73.25  143.54  -60.01   94.42
    3.00  -78.66  158.54  -64.15  106.92
    4.00  -80.56  173.54  -65.36  114.76
    5.00  -81.01  188.54  -65.54  120.99
    6.00  -80.44  203.54  -65.06  127.13
    7.00  -79.65  218.54  -64.76  133.82
    8.00  -79.59  233.54  -65.61  140.33
    9.00  -79.58  248.54  -66.90  146.70
   10.00  -79.44  263.54  -68.42  153.10
   11.00  -79.34  278.54  -70.35  159.19
   12.00  -79.51  293.54  -72.73  164.08
   13.00  -79.26  308.54  -75.17  169.54
   14.00  -79.01  323.54  -77.89  174.18
   15.00  -78.76  338.54  -80.84  177.11
   16.00  -78.52  353.54  -83.93  175.45
   17.00  -78.27    8.54  -86.77  155.63
   18.00  -79.28   23.54  -85.84  103.08
   19.00  -79.51   38.54  -83.41   82.48
   20.00  -78.71   53.54  -80.48   71.29
   21.00  -76.89   68.54  -76.51   64.52
   22.00  -74.07   83.54  -71.13   61.95
   23.00  -72.38   98.54  -66.31   67.05
</PRE>


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