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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>
22 Aug 1997 15:56:40 yearsecs  20188600
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -59.28  197.44  -43.79  125.09
    1.00  -60.04  212.44  -45.32  136.02
    2.00  -60.78  227.44  -47.38  146.82
    3.00  -61.53  242.44  -49.86  157.58
    4.00  -61.04  257.44  -51.55  169.12
    5.00  -62.13  272.44  -55.04  179.87
    6.00  -63.56  287.44  -59.17  190.17
    7.00  -64.58  302.44  -63.37  200.85
    8.00  -64.90  317.44  -67.33  213.26
    9.00  -64.89  332.44  -71.10  228.51
   10.00  -64.07  347.44  -73.86  249.70
   11.00  -63.57    2.44  -75.95  277.21
   12.00  -63.35   17.44  -76.14  310.31
   13.00  -63.38   32.44  -73.91  340.46
   14.00  -63.66   47.44  -70.45    3.15
   15.00  -64.17   62.44  -66.98   21.01
   16.00  -64.91   77.44  -63.93   36.65
   17.00  -65.87   92.44  -61.35   51.12
   18.00  -65.65  107.44  -57.85   62.68
   19.00  -64.89  122.44  -54.31   73.07
   20.00  -63.24  137.44  -50.51   82.63
   21.00  -62.25  152.44  -48.04   92.89
   22.00  -60.79  167.44  -45.61  103.27
   23.00  -59.81  182.44  -44.17  114.10
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.58  197.44  -53.96  125.03
    1.00  -70.39  212.44  -55.32  134.12
    2.00  -71.40  227.44  -57.36  142.82
    3.00  -72.14  242.44  -59.57  151.32
    4.00  -73.94  257.44  -63.05  158.28
    5.00  -75.23  272.44  -66.34  164.65
    6.00  -75.34  287.44  -68.98  172.25
    7.00  -74.62  302.44  -71.42  181.86
    8.00  -75.06  317.44  -74.98  188.61
    9.00  -75.16  332.44  -78.56  196.37
   10.00  -74.83  347.44  -82.16  207.84
   11.00  -74.40    2.44  -85.89  228.99
   12.00  -74.02   17.44  -88.03  317.24
   13.00  -73.84   32.44  -84.68   18.35
   14.00  -73.62   47.44  -80.34   35.11
   15.00  -73.04   62.44  -75.77   44.69
   16.00  -72.90   77.44  -71.71   54.75
   17.00  -71.85   92.44  -67.19   62.05
   18.00  -71.56  107.44  -63.72   71.14
   19.00  -71.99  122.44  -61.48   80.90
   20.00  -71.72  137.44  -59.16   89.46
   21.00  -70.29  152.44  -56.23   97.37
   22.00  -70.23  167.44  -55.17  106.59
   23.00  -69.12  182.44  -53.52  115.63
</PRE>


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