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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>
19 Mar 1997 13:48:14 yearsecs   6702494
 
             Equatorward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -61.83  227.84  -48.42  146.78
    1.00  -62.41  242.84  -50.74  157.44
    2.00  -63.00  257.84  -53.42  168.15
    3.00  -63.58  272.84  -56.41  178.95
    4.00  -63.08  287.84  -58.81  191.00
    5.00  -64.31  302.84  -63.21  201.54
    6.00  -64.89  317.84  -67.41  213.65
    7.00  -65.00  332.84  -71.30  228.75
    8.00  -65.48  347.84  -75.28  247.55
    9.00  -65.01    2.84  -77.49  276.01
   10.00  -64.59   17.84  -77.53  311.13
   11.00  -64.40   32.84  -75.04  342.31
   12.00  -64.44   47.84  -71.28    4.93
   13.00  -64.69   62.84  -67.49   22.35
   14.00  -65.18   77.84  -64.13   37.47
   15.00  -65.88   92.84  -61.27   51.46
   16.00  -66.82  107.84  -58.97   64.48
   17.00  -67.97  122.84  -57.42   76.45
   18.00  -67.99  137.84  -55.35   86.42
   19.00  -67.31  152.84  -53.18   95.81
   20.00  -65.90  167.84  -50.78  105.21
   21.00  -64.80  182.84  -49.17  115.15
   22.00  -63.50  197.84  -47.96  125.35
   23.00  -62.32  212.84  -47.56  135.93
 
              Poleward Boundary
     MLT    MLAT   MLONG    GLAT   GLONG
    0.00  -73.27  227.84  -59.16  142.11
    1.00  -74.24  242.84  -61.52  149.84
    2.00  -75.18  257.84  -64.17  157.00
    3.00  -76.09  272.84  -67.09  163.38
    4.00  -78.36  287.84  -71.13  165.27
    5.00  -79.35  302.84  -74.20  167.55
    6.00  -79.04  317.84  -76.80  172.86
    7.00  -78.68  332.84  -79.68  177.34
    8.00  -79.22  347.84  -82.63  172.02
    9.00  -78.98    2.84  -85.39  160.64
   10.00  -78.91   17.84  -86.61  118.28
   11.00  -78.66   32.84  -84.89   79.89
   12.00  -78.30   47.84  -81.75   68.62
   13.00  -78.12   62.84  -78.30   68.86
   14.00  -78.14   77.84  -75.01   73.08
   15.00  -77.70   92.84  -71.70   77.06
   16.00  -77.51  107.84  -68.85   82.84
   17.00  -76.16  122.84  -65.36   87.14
   18.00  -75.92  137.84  -63.24   94.21
   19.00  -76.49  152.84  -62.40  102.29
   20.00  -76.01  167.84  -60.97  109.54
   21.00  -74.37  182.84  -58.81  116.91
   22.00  -73.89  197.84  -58.29  125.13
   23.00  -73.15  212.84  -58.04  133.65
</PRE>


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