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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>
17 Jul 1997 13:07:36 yearsecs  17068056
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.65  240.77  -51.62  155.33
    1.00  -63.66  255.77  -53.71  166.18
    2.00  -64.43  270.77  -56.82  176.64
    3.00  -65.20  285.77  -60.29  187.07
    4.00  -64.95  300.77  -63.31  198.99
    5.00  -66.12  315.77  -67.97  209.71
    6.00  -66.37  330.77  -71.99  223.73
    7.00  -66.34  345.77  -75.61  242.52
    8.00  -66.93    0.77  -79.16  267.94
    9.00  -66.41   15.77  -79.68  305.79
   10.00  -66.00   30.77  -77.34  340.61
   11.00  -65.81   45.77  -73.45    4.78
   12.00  -65.84   60.77  -69.37   22.43
   13.00  -66.10   75.77  -65.67   37.30
   14.00  -66.58   90.77  -62.48   50.90
   15.00  -67.29  105.77  -59.88   63.58
   16.00  -68.22  120.77  -58.01   75.32
   17.00  -69.29  135.77  -56.92   86.19
   18.00  -69.21  150.77  -55.29   95.63
   19.00  -68.59  165.77  -53.60  104.86
   20.00  -67.38  180.77  -51.80  114.23
   21.00  -66.32  195.77  -50.70  123.96
   22.00  -65.23  210.77  -50.23  134.03
   23.00  -64.20  225.77  -50.45  144.54
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.39  240.77  -58.70  150.85
    1.00  -72.51  255.77  -61.57  158.89
    2.00  -73.49  270.77  -64.65  166.42
    3.00  -75.75  285.77  -68.98  170.53
    4.00  -78.26  300.77  -73.30  170.54
    5.00  -78.99  315.77  -76.40  172.57
    6.00  -78.34  330.77  -79.21  178.99
    7.00  -77.75  345.77  -82.37  184.38
    8.00  -78.55    0.77  -85.31  168.44
    9.00  -78.27   15.77  -87.32  126.12
   10.00  -78.43   30.77  -85.41   79.99
   11.00  -78.22   45.77  -82.23   68.23
   12.00  -78.03   60.77  -78.75   67.91
   13.00  -77.83   75.77  -75.30   71.14
   14.00  -77.91   90.77  -72.24   76.91
   15.00  -77.54  105.77  -69.22   82.01
   16.00  -77.53  120.77  -66.86   88.52
   17.00  -76.45  135.77  -63.97   93.85
   18.00  -76.42  150.77  -62.50  101.20
   19.00  -76.69  165.77  -61.77  108.89
   20.00  -75.91  180.77  -60.42  116.19
   21.00  -73.93  195.77  -58.31  123.99
   22.00  -72.73  210.77  -57.53  132.58
   23.00  -71.68  225.77  -57.49  141.69
</PRE>


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