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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>
18 Jul 1997 02:37:32 yearsecs  17116652
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.58   32.73  -74.08  341.17
    1.00  -63.63   47.73  -70.33    3.47
    2.00  -64.38   62.73  -67.15   21.67
    3.00  -65.13   77.73  -64.10   37.28
    4.00  -64.88   92.73  -60.23   49.84
    5.00  -66.06  107.73  -58.21   63.41
    6.00  -66.32  122.73  -55.75   74.67
    7.00  -66.19  137.73  -53.52   84.94
    8.00  -66.61  152.73  -52.48   95.34
    9.00  -66.35  167.73  -51.24  105.30
   10.00  -65.94  182.73  -50.31  115.26
   11.00  -65.75  197.73  -50.17  125.26
   12.00  -65.78  212.73  -50.88  135.25
   13.00  -66.04  227.73  -52.37  145.24
   14.00  -66.52  242.73  -54.51  155.18
   15.00  -67.23  257.73  -57.20  164.96
   16.00  -68.16  272.73  -60.44  174.36
   17.00  -69.24  287.73  -64.18  183.25
   18.00  -69.17  302.73  -67.38  193.87
   19.00  -68.54  317.73  -70.48  206.75
   20.00  -67.32  332.73  -73.29  223.77
   21.00  -66.26  347.73  -75.98  245.65
   22.00  -65.16    2.73  -77.64  275.53
   23.00  -64.12   17.73  -77.00  310.90
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.26   32.73  -80.53  351.91
    1.00  -70.43   47.73  -77.74   20.27
    2.00  -71.45   62.73  -74.43   39.16
    3.00  -73.81   77.73  -72.35   57.67
    4.00  -76.59   92.73  -70.96   73.81
    5.00  -77.34  107.73  -68.73   82.38
    6.00  -76.76  122.73  -65.91   88.07
    7.00  -76.16  137.73  -63.48   94.45
    8.00  -77.14  152.73  -63.05  102.83
    9.00  -76.88  167.73  -61.87  109.98
   10.00  -77.10  182.73  -61.60  117.50
   11.00  -76.92  197.73  -61.36  124.93
   12.00  -76.74  212.73  -61.60  132.46
   13.00  -76.56  227.73  -62.30  140.08
   14.00  -76.71  242.73  -63.75  147.48
   15.00  -76.33  257.73  -65.14  155.43
   16.00  -76.34  272.73  -67.27  162.89
   17.00  -75.16  287.73  -68.90  172.79
   18.00  -75.05  302.73  -71.77  180.86
   19.00  -75.34  317.73  -75.20  187.77
   20.00  -74.46  332.73  -78.29  199.88
   21.00  -72.22  347.73  -80.83  224.42
   22.00  -70.86    2.73  -83.28  259.54
   23.00  -69.65   17.73  -83.23  311.47
</PRE>


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