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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>
16 Mar 1997 12:43:31 yearsecs   6439411
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.95  242.91  -51.25  157.23
    1.00  -63.33  257.91  -53.74  167.98
    2.00  -63.94  272.91  -56.75  178.68
    3.00  -64.54  287.91  -60.14  189.46
    4.00  -64.26  302.91  -63.19  201.67
    5.00  -65.53  317.91  -68.00  212.64
    6.00  -65.86  332.91  -72.08  227.15
    7.00  -65.74  347.91  -75.54  247.11
    8.00  -66.06    2.91  -78.59  274.42
    9.00  -65.84   17.91  -78.94  311.32
   10.00  -65.42   32.91  -76.22  343.84
   11.00  -65.23   47.91  -72.20    6.48
   12.00  -65.27   62.91  -68.13   23.50
   13.00  -65.53   77.91  -64.50   38.16
   14.00  -66.01   92.91  -61.39   51.72
   15.00  -66.72  107.91  -58.86   64.41
   16.00  -67.65  122.91  -57.08   76.16
   17.00  -68.78  137.91  -56.15   87.12
   18.00  -68.79  152.91  -54.68   96.73
   19.00  -68.11  167.91  -53.00  106.06
   20.00  -66.81  182.91  -51.19  115.53
   21.00  -65.72  197.91  -50.15  125.39
   22.00  -64.57  212.91  -49.73  135.60
   23.00  -63.42  227.91  -49.93  146.30
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.34  242.91  -58.89  152.19
    1.00  -72.50  257.91  -61.86  160.17
    2.00  -73.49  272.91  -65.00  167.64
    3.00  -74.89  287.91  -68.73  173.45
    4.00  -77.57  302.91  -73.33  173.57
    5.00  -78.45  317.91  -76.63  175.46
    6.00  -77.89  332.91  -79.57  182.01
    7.00  -77.26  347.91  -82.85  188.48
    8.00  -78.23    2.91  -85.88  169.12
    9.00  -77.94   17.91  -87.64  114.45
   10.00  -78.05   32.91  -85.16   72.79
   11.00  -77.88   47.91  -81.73   65.40
   12.00  -77.57   62.91  -78.11   65.91
   13.00  -77.39   77.91  -74.62   70.20
   14.00  -77.54   92.91  -71.58   76.63
   15.00  -77.14  107.91  -68.54   82.03
   16.00  -77.02  122.91  -66.12   88.60
   17.00  -75.58  137.91  -62.90   93.84
   18.00  -75.38  152.91  -61.29  101.37
   19.00  -75.98  167.91  -60.95  109.57
   20.00  -75.32  182.91  -59.78  117.16
   21.00  -73.30  197.91  -57.70  125.20
   22.00  -72.39  212.91  -57.30  133.91
   23.00  -71.51  227.91  -57.52  143.05
</PRE>


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