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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>
20 Jun 1997 15:14:39 yearsecs  14742879
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.43  210.98  -48.51  134.46
    1.00  -64.66  225.98  -50.90  144.53
    2.00  -65.50  240.98  -53.35  154.54
    3.00  -67.54  255.98  -57.22  163.51
    4.00  -67.07  270.98  -59.19  174.29
    5.00  -67.67  285.98  -62.49  184.20
    6.00  -67.52  300.98  -65.59  195.37
    7.00  -67.79  315.98  -69.44  206.80
    8.00  -69.02  330.98  -74.23  217.70
    9.00  -68.58  345.98  -77.62  236.79
   10.00  -68.66    0.98  -80.89  263.83
   11.00  -68.49   15.98  -82.00  305.84
   12.00  -68.55   30.98  -80.16  346.13
   13.00  -68.84   45.98  -76.69   12.60
   14.00  -69.35   60.98  -73.00   31.07
   15.00  -70.08   75.98  -69.65   46.10
   16.00  -70.80   90.98  -66.58   58.86
   17.00  -71.01  105.98  -63.49   69.31
   18.00  -71.16  120.98  -60.90   78.95
   19.00  -70.54  135.98  -58.15   87.46
   20.00  -69.71  150.98  -55.78   96.08
   21.00  -68.93  165.98  -53.93  105.14
   22.00  -66.97  180.98  -51.39  114.28
   23.00  -64.94  195.98  -49.34  124.09
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.43  210.98  -53.34  133.62
    1.00  -69.66  225.98  -55.59  142.69
    2.00  -70.50  240.98  -57.91  151.59
    3.00  -76.58  255.98  -65.13  154.23
    4.00  -78.72  270.98  -68.84  157.55
    5.00  -79.14  285.98  -71.33  162.48
    6.00  -78.35  300.98  -73.38  170.33
    7.00  -77.21  315.98  -75.75  179.95
    8.00  -77.32  330.98  -79.01  184.69
    9.00  -77.29  345.98  -82.40  188.11
   10.00  -77.06    0.98  -85.92  187.82
   11.00  -77.12   15.98  -88.56  125.90
   12.00  -77.43   30.98  -85.81   66.70
   13.00  -77.25   45.98  -82.16   60.31
   14.00  -77.09   60.98  -78.41   62.78
   15.00  -76.91   75.98  -74.79   67.58
   16.00  -76.78   90.98  -71.45   73.56
   17.00  -76.59  105.98  -68.43   79.92
   18.00  -77.78  120.98  -67.06   89.09
   19.00  -78.07  135.98  -65.48   96.16
   20.00  -77.21  150.98  -63.25  102.06
   21.00  -75.15  165.98  -60.21  108.10
   22.00  -71.97  180.98  -56.42  115.32
   23.00  -69.94  195.98  -54.30  124.12
</PRE>


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