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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>
24 Jul 1997 23:27:54 yearsecs  17710074
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.59   77.64  -62.37   34.63
    1.00  -64.52   92.64  -59.86   49.23
    2.00  -65.61  107.64  -57.77   62.79
    3.00  -66.70  122.64  -56.15   74.99
    4.00  -66.50  137.64  -53.86   85.13
    5.00  -67.40  152.64  -53.29   95.73
    6.00  -67.47  167.64  -52.38  105.65
    7.00  -67.35  182.64  -51.73  115.44
    8.00  -68.01  197.64  -52.41  125.18
    9.00  -67.76  212.64  -52.79  134.81
   10.00  -67.37  227.64  -53.60  144.68
   11.00  -67.18  242.64  -55.09  154.74
   12.00  -67.21  257.64  -57.17  164.91
   13.00  -67.47  272.64  -59.82  175.05
   14.00  -67.95  287.64  -63.07  185.01
   15.00  -68.66  302.64  -66.94  194.72
   16.00  -69.57  317.64  -71.28  204.41
   17.00  -70.45  332.64  -75.74  215.21
   18.00  -70.23  347.64  -79.37  233.42
   19.00  -69.70    2.64  -82.18  264.32
   20.00  -68.70   17.64  -82.17  310.91
   21.00  -67.72   32.64  -78.89  347.55
   22.00  -66.11   47.64  -73.29    7.89
   23.00  -64.38   62.64  -67.17   21.58
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.59   77.64  -67.77   43.98
    1.00  -69.65   92.64  -65.11   57.79
    2.00  -70.66  107.64  -62.82   69.83
    3.00  -75.43  122.64  -64.71   85.87
    4.00  -77.84  137.64  -65.09   96.59
    5.00  -78.14  152.64  -64.04  103.76
    6.00  -77.31  167.64  -62.30  110.19
    7.00  -76.54  182.64  -61.02  117.32
    8.00  -76.78  197.64  -61.22  124.90
    9.00  -76.84  212.64  -61.69  132.38
   10.00  -77.20  227.64  -62.90  139.61
   11.00  -76.96  242.64  -63.97  147.18
   12.00  -77.15  257.64  -65.83  154.25
   13.00  -76.91  272.64  -67.70  161.81
   14.00  -76.93  287.64  -70.15  168.76
   15.00  -76.64  302.64  -72.75  176.31
   16.00  -76.91  317.64  -75.97  181.79
   17.00  -76.63  332.64  -79.18  188.95
   18.00  -77.09  347.64  -82.77  189.97
   19.00  -76.70    2.64  -86.39  192.38
   20.00  -75.57   17.64  -89.51    5.10
   21.00  -73.35   32.64  -84.30   14.20
   22.00  -71.11   47.64  -78.38   22.88
   23.00  -69.38   62.64  -72.57   32.74
</PRE>


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