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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 16:33:56 yearsecs   6971636
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.77  185.91  -48.10  117.12
    1.00  -63.72  200.91  -48.27  127.47
    2.00  -64.51  215.91  -49.89  137.66
    3.00  -65.31  230.91  -52.01  147.69
    4.00  -65.07  245.91  -53.60  158.22
    5.00  -66.21  260.91  -56.78  168.00
    6.00  -66.46  275.91  -59.52  178.44
    7.00  -66.32  290.91  -62.33  189.55
    8.00  -67.01  305.91  -66.31  200.01
    9.00  -66.51  320.91  -69.60  213.64
   10.00  -66.15  335.91  -73.08  230.00
   11.00  -65.90  350.91  -76.34  251.53
   12.00  -65.94    5.91  -78.80  281.48
   13.00  -66.20   20.91  -79.11  318.84
   14.00  -66.68   35.91  -76.98  351.42
   15.00  -67.39   50.91  -73.80   14.90
   16.00  -68.32   65.91  -70.62   33.06
   17.00  -69.38   80.91  -67.71   48.36
   18.00  -69.29   95.91  -64.01   59.49
   19.00  -68.67  110.91  -60.23   69.14
   20.00  -67.48  125.91  -56.43   78.02
   21.00  -66.42  140.91  -53.40   87.27
   22.00  -65.35  155.91  -50.95   96.84
   23.00  -64.33  170.91  -49.05  106.82
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.25  185.91  -55.60  118.11
    1.00  -72.36  200.91  -56.81  126.97
    2.00  -73.35  215.91  -58.41  135.33
    3.00  -75.77  230.91  -61.80  142.25
    4.00  -78.27  245.91  -65.48  147.26
    5.00  -78.97  260.91  -67.74  152.85
    6.00  -78.32  275.91  -69.24  160.46
    7.00  -77.70  290.91  -71.22  168.27
    8.00  -78.43  305.91  -74.33  171.79
    9.00  -78.11  320.91  -77.12  177.84
   10.00  -78.22  335.91  -80.26  180.49
   11.00  -78.03  350.91  -83.49  181.31
   12.00  -77.87    5.91  -86.64  168.14
   13.00  -77.67   20.91  -87.64   96.06
   14.00  -77.76   35.91  -84.57   67.05
   15.00  -77.40   50.91  -80.96   62.08
   16.00  -77.41   65.91  -77.36   66.03
   17.00  -76.39   80.91  -73.37   67.81
   18.00  -76.40   95.91  -70.18   74.77
   19.00  -76.63  110.91  -67.62   82.31
   20.00  -75.85  125.91  -64.64   88.17
   21.00  -73.89  140.91  -60.92   93.58
   22.00  -72.65  155.91  -58.34  100.99
   23.00  -71.57  170.91  -56.35  109.23
</PRE>


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