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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>
25 Mar 1997 17:41:28 yearsecs   7234888
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -62.85  167.20  -47.72  103.75
    1.00  -63.29  182.20  -47.66  114.47
    2.00  -63.87  197.20  -48.31  124.92
    3.00  -64.44  212.20  -49.56  135.14
    4.00  -64.16  227.20  -50.55  145.55
    5.00  -65.45  242.20  -53.46  155.42
    6.00  -65.79  257.20  -55.84  165.71
    7.00  -65.67  272.20  -58.16  176.55
    8.00  -66.37  287.20  -61.61  186.74
    9.00  -65.75  302.20  -64.35  199.00
   10.00  -65.34  317.20  -67.65  212.32
   11.00  -65.15  332.20  -71.28  227.75
   12.00  -65.18  347.20  -74.87  247.19
   13.00  -65.44    2.20  -77.86  273.94
   14.00  -65.93   17.20  -79.08  309.54
   15.00  -66.63   32.20  -77.77  344.47
   16.00  -67.56   47.20  -75.02   10.67
   17.00  -68.71   62.20  -72.03   30.50
   18.00  -68.59   77.20  -67.89   43.62
   19.00  -68.03   92.20  -63.63   54.51
   20.00  -66.73  107.20  -59.01   63.89
   21.00  -65.63  122.20  -55.12   73.62
   22.00  -64.47  137.20  -51.81   83.31
   23.00  -63.31  152.20  -49.14   93.24
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -69.66  167.20  -54.61  106.21
    1.00  -70.90  182.20  -55.30  115.82
    2.00  -71.94  197.20  -56.32  124.83
    3.00  -73.28  212.20  -58.14  133.26
    4.00  -76.21  227.20  -61.93  140.04
    5.00  -77.23  242.20  -64.18  146.68
    6.00  -76.46  257.20  -65.19  154.99
    7.00  -75.65  272.20  -66.64  163.82
    8.00  -76.65  287.20  -69.88  169.21
    9.00  -76.22  302.20  -72.40  177.37
   10.00  -76.21  317.20  -75.54  184.31
   11.00  -75.94  332.20  -78.83  192.37
   12.00  -75.71  347.20  -82.41  201.08
   13.00  -75.59    2.20  -86.25  210.92
   14.00  -75.84   17.20  -89.70   44.82
   15.00  -75.45   32.20  -85.51   37.37
   16.00  -75.36   47.20  -81.34   46.24
   17.00  -73.75   62.20  -76.34   47.37
   18.00  -73.59   77.20  -72.31   56.67
   19.00  -74.40   92.20  -69.41   67.76
   20.00  -73.77  107.20  -65.80   74.83
   21.00  -71.63  122.20  -61.17   80.30
   22.00  -70.77  137.20  -58.24   88.43
   23.00  -69.88  152.20  -55.84   96.95
</PRE>


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