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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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<BODY BGCOLOR="#FFFFFF">



<H2>Current OVATION Boundary Information</H2><BR>
<PRE>
29 Oct 1997 12:17:08 yearsecs  26050628
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.38  240.52  -48.53  156.67
    1.00  -61.05  255.52  -51.27  167.65
    2.00  -61.71  270.52  -54.32  178.72
    3.00  -62.37  285.52  -57.71  189.90
    4.00  -61.52  300.52  -60.14  203.07
    5.00  -62.59  315.52  -64.75  214.95
    6.00  -63.56  330.52  -69.41  228.69
    7.00  -64.06  345.52  -73.44  246.85
    8.00  -64.47    0.52  -76.64  272.02
    9.00  -63.96   15.52  -76.93  305.87
   10.00  -63.54   30.52  -74.51  337.20
   11.00  -63.35   45.52  -70.59    0.20
   12.00  -63.39   60.52  -66.55   17.69
   13.00  -63.65   75.52  -62.96   32.77
   14.00  -64.13   90.52  -59.91   46.85
   15.00  -64.84  105.52  -57.39   60.17
   16.00  -65.77  120.52  -55.54   72.54
   17.00  -66.93  135.52  -54.55   84.02
   18.00  -66.90  150.52  -52.97   94.04
   19.00  -66.26  165.52  -51.27  103.78
   20.00  -64.73  180.52  -49.14  113.55
   21.00  -63.62  195.52  -48.02  123.76
   22.00  -62.12  210.52  -47.21  134.33
   23.00  -60.97  225.52  -47.36  145.36
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -71.88  240.52  -59.11  150.36
    1.00  -72.58  255.52  -61.60  158.67
    2.00  -73.47  270.52  -64.59  166.31
    3.00  -74.22  285.52  -67.78  173.50
    4.00  -76.23  300.52  -72.08  176.54
    5.00  -77.19  315.52  -75.65  179.85
    6.00  -77.21  330.52  -78.88  185.12
    7.00  -76.64  345.52  -82.21  193.15
    8.00  -77.24    0.52  -85.78  185.52
    9.00  -77.22   15.52  -88.45  129.89
   10.00  -77.05   30.52  -86.02   61.42
   11.00  -76.75   45.52  -82.20   56.13
   12.00  -76.44   60.52  -78.28   59.15
   13.00  -76.35   75.52  -74.58   65.23
   14.00  -76.25   90.52  -71.18   71.83
   15.00  -75.77  105.52  -67.84   77.92
   16.00  -75.64  120.52  -65.22   85.14
   17.00  -74.48  135.52  -62.11   91.31
   18.00  -74.31  150.52  -60.42   99.20
   19.00  -74.77  165.52  -59.85  107.64
   20.00  -74.27  180.52  -58.75  115.62
   21.00  -72.77  195.52  -57.13  123.85
   22.00  -72.53  210.52  -57.32  132.49
   23.00  -71.52  225.52  -57.32  141.62
</PRE>


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