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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
04 Dec 1997 11:43:32 yearsecs  29159012
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.50  248.20  -49.68  162.40
    1.00  -61.70  263.20  -53.08  173.09
    2.00  -62.55  278.20  -56.46  183.98
    3.00  -67.53  293.20  -63.87  189.59
    4.00  -67.14  308.20  -66.98  201.61
    5.00  -67.80  323.20  -71.27  213.16
    6.00  -67.69  338.20  -74.97  229.13
    7.00  -67.90  353.20  -78.68  250.40
    8.00  -68.71    8.20  -81.94  282.34
    9.00  -68.89   23.20  -81.88  327.55
   10.00  -68.64   38.20  -78.55    0.25
   11.00  -68.45   53.20  -74.28   20.38
   12.00  -68.48   68.20  -70.17   35.57
   13.00  -68.74   83.20  -66.52   48.82
   14.00  -69.23   98.20  -63.43   61.04
   15.00  -69.94  113.20  -61.05   72.41
   16.00  -70.68  128.20  -59.33   82.83
   17.00  -70.58  143.20  -57.39   91.92
   18.00  -71.09  158.20  -56.60  101.37
   19.00  -70.49  173.20  -55.17  110.24
   20.00  -69.62  188.20  -53.95  119.31
   21.00  -67.88  203.20  -52.44  128.74
   22.00  -64.48  218.20  -50.04  139.24
   23.00  -62.15  233.20  -49.31  150.55
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.50  248.20  -54.30  159.58
    1.00  -66.70  263.20  -57.58  169.20
    2.00  -67.55  278.20  -60.89  178.85
    3.00  -74.07  293.20  -69.14  178.08
    4.00  -76.52  308.20  -73.80  179.19
    5.00  -76.73  323.20  -77.10  184.77
    6.00  -76.23  338.20  -80.36  193.45
    7.00  -75.26  353.20  -83.81  208.45
    8.00  -75.67    8.20  -87.86  214.06
    9.00  -75.73   23.20  -88.06   35.92
   10.00  -75.76   38.20  -83.94   44.61
   11.00  -75.83   53.20  -79.91   52.46
   12.00  -76.21   68.20  -76.26   61.34
   13.00  -76.05   83.20  -72.64   67.76
   14.00  -75.98   98.20  -69.41   74.80
   15.00  -75.80  113.20  -66.52   81.78
   16.00  -75.81  128.20  -64.29   89.24
   17.00  -75.58  143.20  -62.35   96.55
   18.00  -76.52  158.20  -62.05  105.00
   19.00  -76.50  173.20  -61.25  112.53
   20.00  -75.32  188.20  -59.71  119.97
   21.00  -72.88  203.20  -57.39  128.24
   22.00  -69.48  218.20  -54.81  137.91
   23.00  -67.15  233.20  -53.97  148.45
</PRE>


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