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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>
17 Apr 1997 16:21:58 yearsecs   9217318
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.32  188.71  -47.64  119.02
    1.00  -63.51  203.71  -48.18  129.42
    2.00  -64.20  218.71  -49.81  139.66
    3.00  -64.88  233.71  -51.92  149.80
    4.00  -64.62  248.71  -53.57  160.47
    5.00  -65.84  263.71  -56.89  170.29
    6.00  -66.13  278.71  -59.75  180.81
    7.00  -66.00  293.71  -62.65  192.08
    8.00  -66.69  308.71  -66.72  202.77
    9.00  -66.18  323.71  -70.03  216.92
   10.00  -65.72  338.71  -73.39  234.34
   11.00  -65.53  353.71  -76.55  257.13
   12.00  -65.57    8.71  -78.63  288.63
   13.00  -65.83   23.71  -78.36  325.27
   14.00  -66.31   38.71  -75.87  355.40
   15.00  -67.02   53.71  -72.62   17.31
   16.00  -67.95   68.71  -69.48   34.77
   17.00  -69.05   83.71  -66.69   49.85
   18.00  -69.01   98.71  -63.11   61.04
   19.00  -68.36  113.71  -59.39   70.67
   20.00  -67.11  128.71  -55.64   79.57
   21.00  -66.03  143.71  -52.71   88.91
   22.00  -64.92  158.71  -50.32   98.57
   23.00  -63.83  173.71  -48.43  108.63
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.21  188.71  -55.54  119.78
    1.00  -72.35  203.71  -56.88  128.59
    2.00  -73.35  218.71  -58.58  136.91
    3.00  -75.21  233.71  -61.51  144.12
    4.00  -77.82  248.71  -65.37  149.11
    5.00  -78.65  263.71  -67.83  154.60
    6.00  -78.00  278.71  -69.43  162.36
    7.00  -77.34  293.71  -71.49  170.43
    8.00  -78.18  308.71  -74.74  173.66
    9.00  -77.84  323.71  -77.61  179.90
   10.00  -77.89  338.71  -80.83  182.99
   11.00  -77.77  353.71  -84.14  182.93
   12.00  -77.53    8.71  -87.37  165.86
   13.00  -77.35   23.71  -87.43   79.11
   14.00  -77.48   38.71  -83.95   62.86
   15.00  -77.10   53.71  -80.20   60.68
   16.00  -77.05   68.71  -76.54   65.29
   17.00  -75.78   83.71  -72.34   67.15
   18.00  -75.69   98.71  -69.08   74.36
   19.00  -76.16  113.71  -66.75   82.70
   20.00  -75.46  128.71  -63.89   89.00
   21.00  -73.47  143.71  -60.22   94.72
   22.00  -72.42  158.71  -57.91  102.46
   23.00  -71.45  173.71  -56.12  110.86
</PRE>


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