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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>
28 Jun 1997 11:54:52 yearsecs  15422092
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.73  255.82  -52.87  166.82
    1.00  -63.25  270.82  -55.77  177.70
    2.00  -63.80  285.82  -59.05  188.66
    3.00  -64.33  300.82  -62.77  199.87
    4.00  -64.04  315.82  -66.15  213.13
    5.00  -65.35  330.82  -71.10  225.84
    6.00  -65.68  345.82  -75.02  244.08
    7.00  -65.69    0.82  -77.92  270.57
    8.00  -66.32   15.82  -79.57  305.95
    9.00  -65.68   30.82  -76.97  340.24
   10.00  -65.26   45.82  -72.81    3.79
   11.00  -65.07   60.82  -68.47   20.98
   12.00  -65.10   75.82  -64.56   35.52
   13.00  -65.36   90.82  -61.18   48.97
   14.00  -65.84  105.82  -58.38   61.68
   15.00  -66.54  120.82  -56.29   73.55
   16.00  -67.47  135.82  -55.07   84.67
   17.00  -67.84  150.82  -53.89   94.80
   18.00  -67.55  165.82  -52.56  104.48
   19.00  -67.96  180.82  -52.38  114.37
   20.00  -66.63  195.82  -51.01  124.00
   21.00  -65.16  210.82  -50.16  134.08
   22.00  -64.16  225.82  -50.41  144.59
   23.00  -63.14  240.82  -51.16  155.62
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -67.93  255.82  -57.54  163.09
    1.00  -69.27  270.82  -61.07  171.84
    2.00  -70.41  285.82  -64.78  180.22
    3.00  -71.66  300.82  -68.93  187.75
    4.00  -74.92  315.82  -74.54  188.20
    5.00  -75.71  330.82  -78.41  192.85
    6.00  -75.31  345.82  -81.93  203.24
    7.00  -74.55    0.82  -85.54  224.25
    8.00  -75.80   15.82  -89.92  211.35
    9.00  -75.48   30.82  -85.90   36.73
   10.00  -75.63   45.82  -81.82   47.46
   11.00  -75.50   60.82  -77.76   54.48
   12.00  -75.12   75.82  -73.75   60.87
   13.00  -74.97   90.82  -70.16   68.48
   14.00  -75.21  105.82  -67.31   76.89
   15.00  -74.78  120.82  -64.38   83.92
   16.00  -74.63  135.82  -62.22   91.64
   17.00  -72.84  150.82  -58.93   98.20
   18.00  -72.55  165.82  -57.60  106.66
   19.00  -73.35  180.82  -57.82  115.55
   20.00  -72.59  195.82  -56.95  124.02
   21.00  -70.16  210.82  -55.01  133.18
   22.00  -69.16  225.82  -55.11  142.80
   23.00  -68.14  240.82  -55.74  152.96
</PRE>


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