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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>
22 Mar 1997 13:11:55 yearsecs   6959515
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.16  236.36  -49.69  152.84
    1.00  -62.72  251.36  -52.19  163.53
    2.00  -63.28  266.36  -55.04  174.31
    3.00  -63.84  281.36  -58.22  185.18
    4.00  -63.42  296.36  -60.94  197.40
    5.00  -64.69  311.36  -65.61  208.18
    6.00  -65.18  326.36  -69.84  221.42
    7.00  -65.20  341.36  -73.55  238.84
    8.00  -65.70  356.36  -77.21  261.64
    9.00  -65.23   11.36  -78.38  295.36
   10.00  -64.82   26.36  -76.79  330.24
   11.00  -64.63   41.36  -73.24  356.43
   12.00  -64.67   56.36  -69.22   15.44
   13.00  -64.93   71.36  -65.50   31.09
   14.00  -65.41   86.36  -62.29   45.30
   15.00  -66.12  101.36  -59.61   58.60
   16.00  -67.05  116.36  -57.58   70.95
   17.00  -68.20  131.36  -56.39   82.36
   18.00  -68.23  146.36  -54.69   92.15
   19.00  -67.54  161.36  -52.81  101.55
   20.00  -66.16  176.36  -50.70  111.04
   21.00  -65.06  191.36  -49.39  120.97
   22.00  -63.81  206.36  -48.60  131.22
   23.00  -62.63  221.36  -48.54  141.90
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.73  236.36  -56.69  149.17
    1.00  -70.84  251.36  -59.50  157.78
    2.00  -71.84  266.36  -62.55  166.00
    3.00  -72.85  281.36  -65.94  173.57
    4.00  -75.63  296.36  -70.87  176.10
    5.00  -76.71  311.36  -74.55  179.94
    6.00  -76.05  326.36  -77.52  189.18
    7.00  -75.38  341.36  -80.84  200.21
    8.00  -76.37  356.36  -84.84  198.05
    9.00  -76.19   11.36  -88.66  193.29
   10.00  -76.30   26.36  -87.20   50.61
   11.00  -76.15   41.36  -83.18   49.82
   12.00  -75.82   56.36  -79.08   53.94
   13.00  -75.72   71.36  -75.21   60.81
   14.00  -75.89   86.36  -71.82   68.77
   15.00  -75.47  101.36  -68.38   75.17
   16.00  -75.35  116.36  -65.60   82.55
   17.00  -73.77  131.36  -61.93   88.22
   18.00  -73.58  146.36  -60.07   96.29
   19.00  -74.35  161.36  -59.67  105.14
   20.00  -73.68  176.36  -58.28  113.13
   21.00  -71.57  191.36  -55.90  121.39
   22.00  -70.80  206.36  -55.43  130.37
   23.00  -69.81  221.36  -55.36  139.76
</PRE>


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