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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>
12 Jul 1997 10:45:31 yearsecs  16627531
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -55.67  272.14  -48.98  184.29
    1.00  -57.06  287.14  -53.11  196.00
    2.00  -57.89  302.14  -57.08  208.29
    3.00  -66.24  317.14  -68.42  210.71
    4.00  -68.16  332.14  -73.84  221.11
    5.00  -69.10  347.14  -78.34  236.80
    6.00  -68.86    2.14  -81.29  265.94
    7.00  -67.55   17.14  -80.91  309.33
    8.00  -67.93   32.14  -79.23  347.04
    9.00  -68.17   47.14  -75.68   12.20
   10.00  -68.03   62.14  -71.36   28.73
   11.00  -67.97   77.14  -67.29   42.24
   12.00  -67.80   92.14  -63.41   54.06
   13.00  -67.90  107.14  -60.22   65.44
   14.00  -68.28  122.14  -57.84   76.31
   15.00  -68.50  137.14  -55.95   86.39
   16.00  -68.36  152.14  -54.31   95.97
   17.00  -68.07  167.14  -53.01  105.55
   18.00  -69.47  182.14  -53.87  115.51
   19.00  -69.23  197.14  -53.61  124.85
   20.00  -68.40  212.14  -53.38  134.36
   21.00  -65.53  227.14  -51.83  145.03
   22.00  -61.03  242.14  -49.35  157.59
   23.00  -58.05  257.14  -48.70  170.64
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.67  272.14  -53.65  180.80
    1.00  -62.06  287.14  -57.75  191.50
    2.00  -62.89  302.14  -61.77  202.80
    3.00  -71.24  317.14  -72.42  199.94
    4.00  -73.99  332.14  -77.90  201.56
    5.00  -74.10  347.14  -81.77  212.60
    6.00  -73.86    2.14  -85.51  234.90
    7.00  -72.55   17.14  -86.44  311.08
    8.00  -72.93   32.14  -84.12    9.64
    9.00  -73.17   47.14  -80.13   32.28
   10.00  -73.03   62.14  -75.85   44.42
   11.00  -73.31   77.14  -72.11   55.79
   12.00  -73.86   92.14  -68.99   66.43
   13.00  -73.75  107.14  -65.79   74.76
   14.00  -73.63  122.14  -63.10   82.94
   15.00  -73.50  137.14  -60.96   91.09
   16.00  -73.36  152.14  -59.34   99.35
   17.00  -73.07  167.14  -58.05  107.67
   18.00  -74.47  182.14  -58.93  116.55
   19.00  -74.72  197.14  -59.12  124.72
   20.00  -73.40  212.14  -58.26  133.19
   21.00  -70.53  227.14  -56.52  143.04
   22.00  -66.03  242.14  -53.98  155.06
   23.00  -63.05  257.14  -53.36  167.60
</PRE>


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