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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>
15 Jul 1997 15:12:48 yearsecs  16902768
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -56.61  212.35  -41.96  136.47
    1.00  -56.88  227.35  -43.58  147.93
    2.00  -57.13  242.35  -45.63  159.46
    3.00  -57.37  257.35  -48.08  171.18
    4.00  -57.59  272.35  -50.84  183.19
    5.00  -58.23  287.35  -54.25  195.21
    6.00  -60.06  302.35  -59.20  206.25
    7.00  -61.54  317.35  -64.23  218.10
    8.00  -60.95  332.35  -67.40  234.69
    9.00  -60.62  347.35  -70.45  254.80
   10.00  -60.32    2.35  -72.50  280.53
   11.00  -60.29   17.35  -72.62  310.49
   12.00  -60.48   32.35  -70.34  337.87
   13.00  -60.87   47.35  -66.95  359.22
   14.00  -61.47   62.35  -63.66   16.63
   15.00  -62.29   77.35  -60.89   32.34
   16.00  -63.31   92.35  -58.58   47.23
   17.00  -64.54  107.35  -56.71   61.24
   18.00  -64.84  122.35  -54.28   72.96
   19.00  -63.51  137.35  -50.80   82.75
   20.00  -61.90  152.35  -47.69   92.66
   21.00  -60.67  167.35  -45.50  103.17
   22.00  -58.77  182.35  -43.12  113.88
   23.00  -57.60  197.35  -42.12  125.02
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -66.75  212.35  -51.79  134.82
    1.00  -67.76  227.35  -53.94  144.33
    2.00  -68.72  242.35  -56.46  153.61
    3.00  -69.16  257.35  -58.86  163.07
    4.00  -69.96  272.35  -61.93  172.05
    5.00  -71.43  287.35  -65.93  179.57
    6.00  -71.70  302.35  -69.29  188.67
    7.00  -70.33  317.35  -71.79  202.40
    8.00  -70.26  332.35  -75.53  215.51
    9.00  -70.74  347.35  -79.68  230.95
   10.00  -70.24    2.35  -82.64  261.43
   11.00  -69.96   17.35  -83.58  310.30
   12.00  -69.84   32.35  -81.22  353.10
   13.00  -69.76   47.35  -77.22   17.39
   14.00  -69.91   62.35  -73.15   33.98
   15.00  -69.81   77.35  -69.04   46.54
   16.00  -70.36   92.35  -65.85   58.95
   17.00  -70.74  107.35  -62.95   69.76
   18.00  -70.35  122.35  -59.88   78.81
   19.00  -69.28  137.35  -56.72   87.18
   20.00  -68.95  152.35  -54.89   96.47
   21.00  -67.94  167.35  -52.86  105.63
   22.00  -67.95  182.35  -52.34  115.36
   23.00  -66.72  197.35  -51.13  125.01
</PRE>


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