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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>
07 Oct 1997 15:03:22 yearsecs  24159802
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.03  203.50  -47.71  129.30
    1.00  -64.13  218.50  -49.73  139.53
    2.00  -65.18  233.50  -52.18  149.53
    3.00  -66.43  248.50  -55.18  159.19
    4.00  -66.25  263.50  -57.23  169.79
    5.00  -67.20  278.50  -60.64  179.47
    6.00  -67.32  293.50  -63.75  190.12
    7.00  -67.16  308.50  -67.07  201.81
    8.00  -67.82  323.50  -71.36  213.38
    9.00  -67.47  338.50  -74.86  230.05
   10.00  -67.07  353.50  -77.97  253.23
   11.00  -66.88    8.50  -80.02  286.43
   12.00  -66.91   23.50  -79.62  325.75
   13.00  -67.17   38.50  -76.89  356.91
   14.00  -67.65   53.50  -73.36   18.62
   15.00  -68.36   68.50  -69.96   35.54
   16.00  -69.29   83.50  -66.97   50.20
   17.00  -70.25   98.50  -64.35   63.02
   18.00  -70.02  113.50  -61.08   72.71
   19.00  -69.48  128.50  -58.08   81.75
   20.00  -68.44  143.50  -55.19   90.45
   21.00  -67.44  158.50  -52.89   99.62
   22.00  -65.45  173.50  -50.08  108.92
   23.00  -63.75  188.50  -48.07  118.91
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.03  203.50  -52.60  128.92
    1.00  -69.13  218.50  -54.49  138.20
    2.00  -70.18  233.50  -56.80  147.14
    3.00  -74.70  248.50  -62.58  152.52
    4.00  -77.26  263.50  -66.67  156.88
    5.00  -77.61  278.50  -69.12  163.11
    6.00  -76.75  293.50  -71.07  171.88
    7.00  -76.00  308.50  -73.56  181.01
    8.00  -76.44  323.50  -77.04  186.16
    9.00  -75.98  338.50  -80.35  195.05
   10.00  -76.41  353.50  -84.13  197.16
   11.00  -76.16    8.50  -87.94  199.61
   12.00  -76.34   23.50  -87.94   54.67
   13.00  -76.11   38.50  -83.94   48.44
   14.00  -76.19   53.50  -79.97   54.80
   15.00  -75.89   68.50  -76.01   60.10
   16.00  -76.19   83.50  -72.66   68.36
   17.00  -75.80   98.50  -69.21   74.52
   18.00  -76.18  113.50  -66.80   82.65
   19.00  -75.83  128.50  -64.27   89.42
   20.00  -74.74  143.50  -61.49   95.83
   21.00  -72.58  158.50  -58.08  102.44
   22.00  -70.45  173.50  -55.11  110.41
   23.00  -68.75  188.50  -53.07  119.40
</PRE>


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