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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>
27 Sep 1997 20:26:32 yearsecs  23315192
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.82  122.24  -48.98   68.45
    1.00  -60.50  137.24  -47.66   80.68
    2.00  -61.18  152.24  -46.95   92.23
    3.00  -61.86  167.24  -46.72  103.46
    4.00  -60.93  182.24  -45.29  114.12
    5.00  -61.94  197.24  -46.41  124.94
    6.00  -63.06  212.24  -48.23  135.39
    7.00  -63.73  227.24  -50.15  145.72
    8.00  -64.20  242.24  -52.32  156.10
    9.00  -63.56  257.24  -53.84  167.32
   10.00  -63.18  272.24  -55.95  178.84
   11.00  -62.96  287.24  -58.58  190.66
   12.00  -62.99  302.24  -61.89  202.75
   13.00  -63.25  317.24  -65.79  215.62
   14.00  -63.73  332.24  -70.00  230.33
   15.00  -64.44  347.24  -74.17  248.70
   16.00  -65.37    2.24  -77.79  274.13
   17.00  -66.53   17.24  -79.75  309.60
   18.00  -66.50   32.24  -77.61  344.30
   19.00  -65.85   47.24  -73.10    6.81
   20.00  -64.27   62.24  -67.15   20.96
   21.00  -63.15   77.24  -61.96   33.56
   22.00  -61.59   92.24  -56.64   44.79
   23.00  -60.44  107.24  -52.28   56.50
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -72.78  122.24  -62.27   81.82
    1.00  -73.39  137.24  -60.84   91.03
    2.00  -74.24  152.24  -60.21  100.08
    3.00  -74.91  167.24  -59.90  108.64
    4.00  -76.67  182.24  -61.17  117.14
    5.00  -77.74  197.24  -62.19  124.65
    6.00  -77.79  212.24  -62.63  131.83
    7.00  -77.32  227.24  -62.99  139.33
    8.00  -77.84  242.24  -64.73  146.05
    9.00  -77.93  257.24  -66.44  152.91
   10.00  -77.78  272.24  -68.31  159.96
   11.00  -77.55  287.24  -70.50  167.09
   12.00  -77.25  302.24  -73.02  174.30
   13.00  -77.13  317.24  -75.98  180.78
   14.00  -76.94  332.24  -79.19  187.11
   15.00  -76.46  347.24  -82.59  195.12
   16.00  -76.31    2.24  -86.32  199.04
   17.00  -75.31   17.24  -89.38  336.16
   18.00  -75.10   32.24  -85.39   32.70
   19.00  -75.41   47.24  -81.34   46.57
   20.00  -74.91   62.24  -77.06   52.47
   21.00  -73.56   77.24  -72.28   56.60
   22.00  -73.40   92.24  -68.58   65.38
   23.00  -72.36  107.24  -64.50   72.34
</PRE>


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