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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>
18 Mar 1997 03:44:25 yearsecs   6579865
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.39   17.30  -72.74  310.37
    1.00  -61.50   32.30  -71.64  338.53
    2.00  -62.57   47.30  -69.13    1.34
    3.00  -63.58   62.30  -66.30   19.84
    4.00  -63.08   77.30  -61.85   33.50
    5.00  -64.31   92.30  -59.70   48.62
    6.00  -64.89  107.30  -57.09   61.62
    7.00  -65.06  122.30  -54.52   73.13
    8.00  -65.64  137.30  -53.01   84.24
    9.00  -65.01  152.30  -50.88   94.18
   10.00  -64.59  167.30  -49.48  104.39
   11.00  -64.40  182.30  -48.78  114.72
   12.00  -64.44  197.30  -48.87  124.98
   13.00  -64.70  212.30  -49.81  135.16
   14.00  -65.18  227.30  -51.52  145.26
   15.00  -65.89  242.30  -53.87  155.24
   16.00  -66.82  257.30  -56.77  164.99
   17.00  -65.67  272.30  -58.18  176.62
   18.00  -65.53  287.30  -60.89  187.84
   19.00  -66.23  302.30  -64.79  198.37
   20.00  -65.36  317.30  -67.70  212.37
   21.00  -62.83  332.30  -69.18  231.87
   22.00  -61.89  347.30  -71.71  252.99
   23.00  -60.54    2.30  -72.73  280.23
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -65.39   17.30  -78.47  309.81
    1.00  -66.50   32.30  -77.60  344.43
    2.00  -67.57   47.30  -74.99   10.80
    3.00  -68.61   62.30  -71.91   30.35
    4.00  -71.79   77.30  -70.83   51.52
    5.00  -73.02   92.30  -68.24   64.53
    6.00  -72.12  107.30  -64.27   71.97
    7.00  -71.48  122.30  -61.00   80.16
    8.00  -72.93  137.30  -60.38   90.59
    9.00  -72.87  152.30  -58.84   99.07
   10.00  -73.05  167.30  -58.02  107.75
   11.00  -72.95  182.30  -57.37  116.30
   12.00  -72.65  197.30  -57.03  124.87
   13.00  -72.63  212.30  -57.50  133.49
   14.00  -72.87  227.30  -58.74  142.01
   15.00  -72.44  242.30  -59.82  151.00
   16.00  -72.38  257.30  -61.67  159.93
   17.00  -70.67  272.30  -62.53  171.14
   18.00  -70.53  287.30  -65.17  181.01
   19.00  -71.23  302.30  -68.92  189.60
   20.00  -70.36  317.30  -71.81  202.26
   21.00  -67.83  332.30  -73.61  222.08
   22.00  -66.89  347.30  -76.46  243.46
   23.00  -65.54    2.30  -77.97  273.99
</PRE>


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