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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>
09 Apr 1997 23:03:24 yearsecs   8550204
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.92   84.72  -58.71   38.54
    1.00  -63.09   99.72  -56.73   53.21
    2.00  -64.03  114.72  -54.75   66.41
    3.00  -67.26  129.72  -55.65   80.40
    4.00  -66.94  144.72  -53.54   90.20
    5.00  -67.68  159.72  -53.05  100.53
    6.00  -67.64  174.72  -52.23  110.34
    7.00  -67.68  189.72  -52.00  120.08
    8.00  -68.50  204.72  -53.11  129.65
    9.00  -68.52  219.72  -54.01  139.15
   10.00  -68.25  234.72  -55.15  148.92
   11.00  -68.03  249.72  -56.78  158.93
   12.00  -68.06  264.72  -59.02  169.00
   13.00  -68.32  279.72  -61.84  178.99
   14.00  -68.80  294.72  -65.28  188.77
   15.00  -69.51  309.72  -69.30  198.38
   16.00  -70.31  324.72  -73.63  208.44
   17.00  -70.30  339.72  -77.44  223.09
   18.00  -70.80  354.72  -81.52  242.29
   19.00  -70.23    9.72  -83.66  283.25
   20.00  -69.31   24.72  -82.13  332.64
   21.00  -68.06   39.72  -77.55    1.13
   22.00  -65.26   54.72  -70.36   14.72
   23.00  -63.20   69.72  -63.89   26.57
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.92   84.72  -64.29   46.53
    1.00  -68.09   99.72  -61.97   60.29
    2.00  -69.03  114.72  -59.87   72.21
    3.00  -74.82  129.72  -63.16   88.66
    4.00  -77.25  144.72  -63.83   99.13
    5.00  -77.60  159.72  -63.02  106.58
    6.00  -76.65  174.72  -61.34  113.36
    7.00  -75.53  189.72  -59.91  120.79
    8.00  -75.69  204.72  -60.26  128.65
    9.00  -75.33  219.72  -60.56  136.64
   10.00  -75.25  234.72  -61.63  144.63
   11.00  -75.33  249.72  -63.28  152.52
   12.00  -75.71  264.72  -65.57  159.89
   13.00  -75.55  279.72  -67.78  167.86
   14.00  -75.55  294.72  -70.50  175.48
   15.00  -75.36  309.72  -73.45  183.59
   16.00  -75.50  324.72  -76.89  190.73
   17.00  -75.30  339.72  -80.40  199.74
   18.00  -76.25  354.72  -84.42  199.14
   19.00  -76.23    9.72  -88.24  195.69
   20.00  -75.22   24.72  -87.50   23.95
   21.00  -73.06   39.72  -82.15   23.10
   22.00  -70.26   54.72  -75.61   27.57
   23.00  -68.20   69.72  -69.47   36.27
</PRE>


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