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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 21:30:28 yearsecs  17098228
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.90  105.87  -55.26   58.10
    1.00  -63.91  120.87  -53.55   70.97
    2.00  -64.80  135.87  -52.32   82.61
    3.00  -65.69  150.87  -51.70   93.57
    4.00  -65.47  165.87  -50.45  103.72
    5.00  -66.55  180.87  -50.96  114.13
    6.00  -66.75  195.87  -51.13  124.03
    7.00  -66.61  210.87  -51.57  133.87
    8.00  -67.29  225.87  -53.36  143.54
    9.00  -66.84  240.87  -54.57  153.74
   10.00  -66.43  255.87  -56.21  164.30
   11.00  -66.24  270.87  -58.43  175.04
   12.00  -66.27  285.87  -61.25  185.88
   13.00  -66.53  300.87  -64.72  196.81
   14.00  -67.01  315.87  -68.76  208.19
   15.00  -67.72  330.87  -73.15  220.85
   16.00  -68.65  345.87  -77.65  236.43
   17.00  -69.51    0.87  -81.68  260.71
   18.00  -69.54   15.87  -83.15  305.21
   19.00  -68.95   30.87  -80.61  346.96
   20.00  -67.81   45.87  -75.64    9.52
   21.00  -66.71   60.87  -70.30   24.37
   22.00  -64.96   75.87  -64.38   35.31
   23.00  -63.47   90.87  -59.10   46.18
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.90  105.87  -60.48   64.51
    1.00  -69.06  120.87  -58.84   76.34
    2.00  -70.12  135.87  -57.74   87.00
    3.00  -73.50  150.87  -59.58   98.74
    4.00  -76.28  165.87  -61.35  108.69
    5.00  -76.90  180.87  -61.42  116.52
    6.00  -76.00  195.87  -60.40  124.02
    7.00  -75.15  210.87  -59.93  132.01
    8.00  -75.81  225.87  -61.44  139.61
    9.00  -75.30  240.87  -62.28  147.85
   10.00  -75.65  255.87  -64.32  155.38
   11.00  -75.48  270.87  -66.30  163.41
   12.00  -75.51  285.87  -68.82  171.09
   13.00  -75.35  300.87  -71.58  179.12
   14.00  -75.52  315.87  -74.88  186.19
   15.00  -75.20  330.87  -78.20  195.33
   16.00  -75.38  345.87  -81.97  202.79
   17.00  -74.51    0.87  -85.53  224.81
   18.00  -74.70   15.87  -88.82  301.70
   19.00  -74.82   30.87  -85.65   27.28
   20.00  -73.90   45.87  -80.96   35.37
   21.00  -71.71   60.87  -75.16   38.45
   22.00  -69.96   75.87  -69.56   45.71
   23.00  -68.47   90.87  -64.38   54.27
</PRE>


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