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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>
31 Oct 1997 15:15:00 yearsecs  26234100
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.11  197.36  -50.52  125.02
    1.00  -65.78  212.36  -50.86  135.01
    2.00  -66.68  227.36  -52.93  144.76
    3.00  -67.57  242.36  -55.41  154.32
    4.00  -67.24  257.36  -57.16  164.70
    5.00  -67.94  272.36  -60.19  174.35
    6.00  -67.87  287.36  -62.94  184.93
    7.00  -67.87  302.36  -66.21  195.85
    8.00  -68.35  317.36  -70.24  206.85
    9.00  -68.97  332.36  -74.55  219.23
   10.00  -68.92  347.36  -78.24  237.73
   11.00  -68.64    2.36  -81.10  267.17
   12.00  -68.61   17.36  -82.08  310.05
   13.00  -68.82   32.36  -80.14  349.80
   14.00  -69.26   47.36  -76.73   15.74
   15.00  -69.93   62.36  -73.17   34.05
   16.00  -70.68   77.36  -69.84   48.67
   17.00  -71.15   92.36  -66.58   60.54
   18.00  -71.12  107.36  -63.31   70.37
   19.00  -70.53  122.36  -60.05   79.03
   20.00  -69.62  137.36  -57.07   87.49
   21.00  -68.72  152.36  -54.66   96.34
   22.00  -67.95  167.36  -52.87  105.64
   23.00  -67.09  182.36  -51.47  115.22
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.79  197.36  -56.17  124.93
    1.00  -72.85  212.36  -57.72  133.47
    2.00  -73.70  227.36  -59.54  141.61
    3.00  -78.37  242.36  -65.23  145.52
    4.00  -80.32  257.36  -68.42  149.06
    5.00  -80.68  272.36  -70.43  153.76
    6.00  -80.07  287.36  -72.09  160.38
    7.00  -79.34  302.36  -74.12  167.44
    8.00  -79.59  317.36  -76.87  170.24
    9.00  -79.54  332.36  -79.65  172.25
   10.00  -79.47  347.36  -82.47  170.25
   11.00  -79.33    2.36  -85.08  158.04
   12.00  -79.47   17.36  -86.02  120.77
   13.00  -79.24   32.36  -84.65   86.26
   14.00  -79.11   47.36  -81.78   74.91
   15.00  -78.86   62.36  -78.57   72.80
   16.00  -78.85   77.36  -75.42   75.84
   17.00  -78.60   92.36  -72.36   79.65
   18.00  -79.29  107.36  -70.27   86.95
   19.00  -79.24  122.36  -68.11   92.45
   20.00  -78.37  137.36  -65.61   97.19
   21.00  -76.57  152.36  -62.51  102.13
   22.00  -74.27  167.36  -59.24  108.38
   23.00  -72.72  182.36  -57.14  116.29
</PRE>


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