DATA FILE NAME ../pingdata/PINGDATA.000 
 head  prof   date      time      yearday        lat      lon      dt   nbins  binl  btrk
    1   112  99/08/25  14:29:34  236.603866   41.4731   -70.7161   300   50     4     1
    2    28  99/08/25  23:55:40  236.996991   40.7191   -69.1945   300   50     4     1
    3    39  99/08/26  02:21:43  237.098414   40.8460   -68.5816   300   50     4     1
    4    58  99/08/26  05:42:49  237.238067   41.0277   -67.6990   300   50     4     1
    5    12  99/08/26  10:38:53  237.443669   41.1424   -67.4510   300   50     4     1

 DATA FILE NAME ../pingdata/PINGDATA.001 
 head  prof   date      time      yearday        lat      lon      dt   nbins  binl  btrk
    1    24  99/08/26  11:38:54  237.485347   41.1485   -67.4432   300   50     4     1
    2   150  99/08/26  13:44:58  237.572894   41.1268   -67.4314   300   50     4     1
    3    18  99/08/27  02:21:03  238.097951   41.1485   -67.4423   300   50     4     1
    4    58  99/08/27  03:57:06  238.164653   41.0989   -67.3991   300   50     4     1

 DATA FILE NAME ../pingdata/PINGDATA.002 
 head  prof   date      time      yearday        lat      lon      dt   nbins  binl  btrk
    1   230  99/08/27  08:47:07  238.366053   41.1025   -67.4087   300   50     4     1
    2    20  99/08/28  04:03:09  239.168854   41.1490   -67.4423   300   50     4     1

 DATA FILE NAME ../pingdata/PINGDATA.003 
 head  prof   date      time      yearday        lat      lon      dt   nbins  binl  btrk
    1     3  99/08/28  05:43:09  239.238299   41.1584   -67.4477   300   50     4     1
    2    27  99/08/28  06:04:13  239.252928   41.1045   -67.4226   300   50     4     1
    3     7  99/08/28  08:25:17  239.350891   41.1461   -67.4362   300   50     4     1
    4   213  99/08/28  09:06:21  239.379410   41.1021   -67.4037   300   50     4     1

 DATA FILE NAME ../pingdata/PINGDATA.004 
 head  prof   date      time      yearday        lat      lon      dt   nbins  binl  btrk
    1    43  99/08/29  02:51:21  240.118993   41.0374   -67.3737   300   50     4     1
    2    22  99/08/29  06:32:26  240.272523   41.1441   -67.4392   300   50     4     1
    3   185  99/08/29  08:28:29  240.353113   41.0994   -67.4183   300   50     4     1

 DATA FILE NAME ../pingdata/PINGDATA.005 
 head  prof   date      time      yearday        lat      lon      dt   nbins  binl  btrk
    1    50  99/08/29  23:53:30  240.995486   41.0806   -67.3861   300   50     4     1
    2    31  99/08/30  04:09:33  241.173299   41.1521   -67.4433   300   50     4     1
    3   148  99/08/30  06:50:35  241.285127   41.1169   -67.4261   300   50     4     1
    4     9  99/08/30  19:16:39  241.803229   41.1717   -67.4579   300   50     4     1
    5    11  99/08/30  20:07:42  241.838681   41.0963   -67.4180   300   50     4     1

 DATA FILE NAME ../pingdata/PINGDATA.006 
 head  prof   date      time      yearday        lat      lon      dt   nbins  binl  btrk
    1   142  99/08/30  21:02:43  241.876887   40.9487   -67.3375   300   50     4     1
    2   108  99/08/31  08:58:48  242.374167   40.6904   -69.3122   300   50     4     1

 DATA FILE NAME ../pingdata/PINGDATA.007 
 head  prof   date      time      yearday        lat      lon      dt   nbins  binl  btrk
    1    10  99/08/31  17:58:48  242.749167   41.4255   -70.7970   300   50     4     1