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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>
30 Sep 1997 04:32:48 yearsecs  23517168
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.21    0.66  -73.27  276.46
    1.00  -62.32   15.66  -75.07  306.60
    2.00  -63.02   30.66  -73.86  336.97
    3.00  -63.60   45.66  -70.86    0.75
    4.00  -63.11   60.66  -66.17   17.37
    5.00  -64.34   75.66  -63.73   34.05
    6.00  -64.92   90.66  -60.74   48.15
    7.00  -65.03  105.66  -57.57   60.52
    8.00  -65.67  120.66  -55.41   72.54
    9.00  -65.03  135.66  -52.57   82.64
   10.00  -64.61  150.66  -50.61   92.84
   11.00  -64.42  165.66  -49.40  103.20
   12.00  -64.46  180.66  -48.87  113.60
   13.00  -64.71  195.66  -49.11  123.87
   14.00  -65.20  210.66  -50.19  133.97
   15.00  -65.90  225.66  -52.04  143.89
   16.00  -66.84  240.66  -54.54  153.60
   17.00  -66.52  255.66  -56.26  164.08
   18.00  -66.13  270.66  -58.31  175.00
   19.00  -66.81  285.66  -61.68  185.07
   20.00  -65.92  300.66  -64.14  197.54
   21.00  -63.54  315.66  -65.65  213.73
   22.00  -62.64  330.66  -68.59  230.31
   23.00  -61.34  345.66  -70.82  251.36
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.21    0.66  -78.43  269.22
    1.00  -67.32   15.66  -80.70  305.25
    2.00  -68.37   30.66  -80.02  344.96
    3.00  -69.39   45.66  -77.33   13.94
    4.00  -72.03   60.66  -75.48   39.42
    5.00  -73.92   75.66  -72.94   56.75
    6.00  -73.53   90.66  -69.04   64.74
    7.00  -72.88  105.66  -65.30   72.32
    8.00  -74.16  120.66  -63.83   82.91
    9.00  -74.05  135.66  -61.67   90.89
   10.00  -74.17  150.66  -60.27   99.17
   11.00  -74.03  165.66  -59.09  107.32
   12.00  -73.71  180.66  -58.18  115.55
   13.00  -73.64  195.66  -58.01  123.93
   14.00  -73.83  210.66  -58.61  132.25
   15.00  -73.39  225.66  -59.11  140.81
   16.00  -73.30  240.66  -60.43  149.39
   17.00  -71.52  255.66  -60.69  159.81
   18.00  -71.13  270.66  -62.64  169.53
   19.00  -71.81  285.66  -65.90  177.89
   20.00  -70.98  300.66  -68.36  189.02
   21.00  -68.54  315.66  -69.97  205.03
   22.00  -67.64  330.66  -73.03  220.82
   23.00  -66.34  345.66  -75.59  242.36
</PRE>


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