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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>
20 Aug 1997 12:59:04 yearsecs  20005144
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.04  240.79  -51.06  155.65
    1.00  -63.35  255.79  -53.43  166.40
    2.00  -63.99  270.79  -56.43  177.05
    3.00  -64.62  285.79  -59.78  187.75
    4.00  -64.34  300.79  -62.77  199.83
    5.00  -65.60  315.79  -67.52  210.62
    6.00  -65.91  330.79  -71.60  224.70
    7.00  -65.84  345.79  -75.16  243.70
    8.00  -66.28    0.79  -78.52  269.36
    9.00  -65.93   15.79  -79.14  305.99
   10.00  -65.51   30.79  -76.77  339.96
   11.00  -65.31   45.79  -72.87    3.85
   12.00  -65.35   60.79  -68.80   21.48
   13.00  -65.60   75.79  -65.12   36.40
   14.00  -66.09   90.79  -61.96   50.12
   15.00  -66.80  105.79  -59.37   62.93
   16.00  -67.73  120.79  -57.51   74.80
   17.00  -68.85  135.79  -56.48   85.82
   18.00  -68.84  150.79  -54.91   95.41
   19.00  -68.17  165.79  -53.18  104.71
   20.00  -66.89  180.79  -51.31  114.15
   21.00  -65.80  195.79  -50.19  123.98
   22.00  -64.66  210.79  -49.68  134.14
   23.00  -63.53  225.79  -49.82  144.77
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.89  240.79  -59.16  150.51
    1.00  -73.03  255.79  -62.03  158.36
    2.00  -74.00  270.79  -65.07  165.69
    3.00  -75.52  285.79  -68.82  171.02
    4.00  -78.09  300.79  -73.22  171.08
    5.00  -78.95  315.79  -76.39  172.74
    6.00  -78.32  330.79  -79.21  179.11
    7.00  -77.74  345.79  -82.38  184.50
    8.00  -78.64    0.79  -85.27  167.38
    9.00  -78.36   15.79  -87.23  125.93
   10.00  -78.47   30.79  -85.39   80.40
   11.00  -78.29   45.79  -82.22   68.82
   12.00  -78.00   60.79  -78.73   67.74
   13.00  -77.82   75.79  -75.29   71.12
   14.00  -77.94   90.79  -72.26   77.00
   15.00  -77.55  105.79  -69.22   82.04
   16.00  -77.44  120.79  -66.79   88.38
   17.00  -76.10  135.79  -63.63   93.41
   18.00  -75.94  150.79  -62.02  100.77
   19.00  -76.47  165.79  -61.55  108.77
   20.00  -75.82  180.79  -60.33  116.18
   21.00  -73.87  195.79  -58.24  124.00
   22.00  -72.94  210.79  -57.74  132.55
   23.00  -72.07  225.79  -57.86  141.53
</PRE>


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