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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>
28 Jun 1997 15:17:08 yearsecs  15434228
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.93  210.75  -48.97  134.22
    1.00  -64.23  225.75  -50.48  144.52
    2.00  -65.29  240.75  -53.13  154.49
    3.00  -66.34  255.75  -56.12  164.28
    4.00  -66.16  270.75  -58.35  175.03
    5.00  -67.12  285.75  -61.98  184.74
    6.00  -67.25  300.75  -65.31  195.62
    7.00  -67.10  315.75  -68.80  207.93
    8.00  -67.67  330.75  -73.08  220.83
    9.00  -67.41  345.75  -76.56  239.84
   10.00  -66.99    0.75  -79.22  267.75
   11.00  -66.80   15.75  -80.12  305.64
   12.00  -66.84   30.75  -78.30  341.94
   13.00  -67.09   45.75  -74.90    7.57
   14.00  -67.58   60.75  -71.27   26.24
   15.00  -68.28   75.75  -67.96   41.73
   16.00  -69.21   90.75  -65.13   55.56
   17.00  -70.18  105.75  -62.74   67.83
   18.00  -69.96  120.75  -59.75   77.33
   19.00  -69.42  135.75  -57.06   86.29
   20.00  -68.37  150.75  -54.43   95.08
   21.00  -67.36  165.75  -52.36  104.36
   22.00  -66.19  180.75  -50.60  113.98
   23.00  -64.59  195.75  -48.98  123.93
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.93  210.75  -53.81  133.38
    1.00  -70.00  225.75  -55.89  142.41
    2.00  -71.01  240.75  -58.34  151.10
    3.00  -75.21  255.75  -63.93  155.85
    4.00  -77.69  270.75  -68.02  159.48
    5.00  -78.06  285.75  -70.59  165.20
    6.00  -77.23  300.75  -72.72  173.74
    7.00  -76.49  315.75  -75.36  182.63
    8.00  -76.74  330.75  -78.79  187.68
    9.00  -76.67  345.75  -82.27  193.00
   10.00  -77.07    0.75  -85.87  187.76
   11.00  -76.84   15.75  -88.86  129.17
   12.00  -76.98   30.75  -85.98   60.12
   13.00  -76.76   45.75  -82.14   56.29
   14.00  -76.83   60.75  -78.37   61.30
   15.00  -76.53   75.75  -74.63   66.01
   16.00  -76.80   90.75  -71.51   73.52
   17.00  -76.36  105.75  -68.28   79.30
   18.00  -76.68  120.75  -66.12   87.01
   19.00  -76.39  135.75  -63.92   93.76
   20.00  -75.35  150.75  -61.44  100.22
   21.00  -73.19  165.75  -58.24  106.94
   22.00  -71.19  180.75  -55.63  115.01
   23.00  -69.59  195.75  -53.95  123.98
</PRE>


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