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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 May 1997 22:47:42 yearsecs  12955662
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -63.20   84.86  -60.18   40.52
    1.00  -63.36   99.86  -56.99   53.67
    2.00  -64.05  114.86  -54.75   66.54
    3.00  -64.74  129.86  -53.04   78.30
    4.00  -64.46  144.86  -50.98   88.70
    5.00  -65.66  159.86  -51.00   99.70
    6.00  -65.80  174.86  -50.38  109.94
    7.00  -65.85  189.86  -50.17  120.02
    8.00  -66.42  204.86  -51.08  129.95
    9.00  -66.13  219.86  -51.74  139.94
   10.00  -65.60  234.86  -52.72  150.28
   11.00  -65.41  249.86  -54.44  160.80
   12.00  -65.45  264.86  -56.74  171.44
   13.00  -65.72  279.86  -59.60  182.10
   14.00  -66.21  294.86  -63.09  192.67
   15.00  -66.93  309.86  -67.20  203.31
   16.00  -67.87  324.86  -71.74  214.55
   17.00  -68.97  339.86  -76.44  227.57
   18.00  -68.93  354.86  -79.96  250.17
   19.00  -68.28    9.86  -81.61  287.90
   20.00  -67.02   24.86  -79.56  329.17
   21.00  -65.94   39.86  -75.16  356.50
   22.00  -64.82   54.86  -69.81   14.05
   23.00  -63.72   69.86  -64.49   27.57
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.68   84.86  -66.04   50.00
    1.00  -69.92   99.86  -63.74   63.39
    2.00  -71.00  114.86  -61.79   74.95
    3.00  -73.13  129.86  -61.51   86.61
    4.00  -76.06  144.86  -62.66   97.89
    5.00  -76.95  159.86  -62.37  106.14
    6.00  -76.17  174.86  -60.85  113.23
    7.00  -75.59  189.86  -59.97  120.87
    8.00  -76.42  204.86  -60.99  128.58
    9.00  -76.52  219.86  -61.74  136.14
   10.00  -77.13  234.86  -63.41  143.20
   11.00  -76.86  249.86  -64.66  150.84
   12.00  -76.56  264.86  -66.29  158.65
   13.00  -76.32  279.86  -68.38  166.43
   14.00  -76.42  294.86  -71.11  173.36
   15.00  -75.98  309.86  -73.84  181.69
   16.00  -75.91  324.86  -77.11  189.06
   17.00  -74.54  339.86  -80.11  204.19
   18.00  -74.43  354.86  -83.93  217.72
   19.00  -74.81    9.86  -87.97  242.63
   20.00  -73.92   24.86  -86.69    0.41
   21.00  -71.54   39.86  -80.92   14.43
   22.00  -70.17   54.86  -75.50   27.43
   23.00  -69.01   69.86  -70.24   38.34
</PRE>


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