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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>
11 Apr 1997 00:31:32 yearsecs   8641892
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -60.16   62.98  -61.78   15.46
    1.00  -60.84   77.98  -58.95   30.84
    2.00  -61.51   92.98  -56.40   45.36
    3.00  -62.19  107.98  -54.06   59.02
    4.00  -61.28  122.98  -50.43   70.25
    5.00  -62.33  137.98  -49.49   82.41
    6.00  -63.35  152.98  -49.13   93.82
    7.00  -63.92  167.98  -48.77  104.65
    8.00  -64.44  182.98  -48.80  115.19
    9.00  -63.80  197.98  -48.26  125.45
   10.00  -63.38  212.98  -48.59  135.86
   11.00  -63.19  227.98  -49.72  146.43
   12.00  -63.23  242.98  -51.52  157.14
   13.00  -63.49  257.98  -53.88  167.92
   14.00  -63.97  272.98  -56.79  178.71
   15.00  -64.68  287.98  -60.28  189.35
   16.00  -65.61  302.98  -64.40  199.84
   17.00  -66.40  317.98  -68.77  211.17
   18.00  -66.29  332.98  -72.47  226.34
   19.00  -66.10  347.98  -75.89  246.41
   20.00  -64.54    2.98  -77.03  277.01
   21.00  -63.43   17.98  -76.20  311.50
   22.00  -61.91   32.98  -71.99  339.99
   23.00  -60.75   47.98  -66.62  359.84
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -68.38   62.98  -71.49   30.43
    1.00  -69.05   77.98  -68.14   45.28
    2.00  -69.98   92.98  -65.34   58.64
    3.00  -70.72  107.98  -62.81   70.14
    4.00  -72.96  122.98  -62.33   82.49
    5.00  -74.17  137.98  -61.52   92.28
    6.00  -73.99  152.98  -59.91  100.30
    7.00  -73.17  167.98  -58.11  108.20
    8.00  -73.74  182.98  -58.17  116.85
    9.00  -73.66  197.98  -58.06  125.22
   10.00  -73.65  212.98  -58.54  133.59
   11.00  -73.40  227.98  -59.30  142.12
   12.00  -73.16  242.98  -60.56  150.83
   13.00  -73.19  257.98  -62.47  159.45
   14.00  -73.15  272.98  -64.73  168.19
   15.00  -72.68  287.98  -67.05  177.80
   16.00  -72.63  302.98  -70.13  187.01
   17.00  -71.40  317.98  -72.74  200.15
   18.00  -71.29  332.98  -76.43  212.76
   19.00  -71.89  347.98  -80.67  226.46
   20.00  -71.38    2.98  -83.79  257.49
   21.00  -69.68   17.98  -83.24  312.34
   22.00  -69.36   32.98  -80.58  352.75
   23.00  -68.03   47.98  -75.30   12.91
</PRE>


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