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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>
04 Nov 1997 10:58:44 yearsecs  26564324
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.15  260.29  -52.11  171.23
    1.00  -61.78  275.29  -55.23  182.38
    2.00  -62.41  290.29  -58.71  193.66
    3.00  -63.04  305.29  -62.65  205.26
    4.00  -62.40  320.29  -65.78  219.78
    5.00  -63.60  335.29  -70.63  234.13
    6.00  -64.50  350.29  -74.87  253.38
    7.00  -64.43    5.29  -77.15  282.15
    8.00  -65.01   20.29  -77.82  316.91
    9.00  -64.41   35.29  -74.49  346.57
   10.00  -64.02   50.29  -70.11    7.27
   11.00  -63.84   65.29  -65.83   23.31
   12.00  -63.89   80.29  -62.06   37.50
   13.00  -64.15   95.29  -58.85   50.92
   14.00  -64.64  110.29  -56.23   63.66
   15.00  -65.35  125.29  -54.34   75.57
   16.00  -66.29  140.29  -53.33   86.76
   17.00  -67.45  155.29  -53.13   97.50
   18.00  -67.22  170.29  -51.99  107.30
   19.00  -66.80  185.29  -51.14  117.10
   20.00  -65.34  200.29  -49.84  126.99
   21.00  -64.23  215.29  -49.58  137.29
   22.00  -62.84  230.29  -49.64  148.19
   23.00  -61.68  245.29  -50.38  159.61
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.52  260.29  -58.73  165.59
    1.00  -69.44  275.29  -62.00  174.61
    2.00  -70.44  290.29  -65.70  183.11
    3.00  -71.34  305.29  -69.69  191.37
    4.00  -73.92  320.29  -74.98  194.16
    5.00  -74.91  335.29  -79.14  199.27
    6.00  -75.02  350.29  -82.97  208.45
    7.00  -74.37    5.29  -86.60  235.67
    8.00  -75.30   20.29  -88.71   11.60
    9.00  -75.22   35.29  -84.58   36.99
   10.00  -75.18   50.29  -80.41   46.84
   11.00  -74.94   65.29  -76.28   54.35
   12.00  -74.61   80.29  -72.31   61.68
   13.00  -74.53   95.29  -68.85   69.81
   14.00  -74.57  110.29  -65.94   77.99
   15.00  -74.09  125.29  -63.07   85.31
   16.00  -73.98  140.29  -61.08   93.33
   17.00  -72.50  155.29  -58.23  100.53
   18.00  -72.22  170.29  -57.04  109.12
   19.00  -72.80  185.29  -57.17  117.99
   20.00  -72.12  200.29  -56.55  126.63
   21.00  -70.12  215.29  -55.22  135.93
   22.00  -69.56  230.29  -55.90  145.44
   23.00  -68.38  245.29  -56.51  155.75
</PRE>


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