2007-04-05 00:00:00 ascii data 4.75 MHz	2007-04-05 01:00:00 ascii data 4.75 MHz	2007-04-05 02:00:00 ascii data 4.75 MHz	2007-04-05 03:00:00 ascii data 4.75 MHz
2007-04-05 04:00:00 ascii data 4.75 MHz	2007-04-05 05:00:00 ascii data 4.75 MHz	2007-04-05 06:00:00 ascii data 4.75 MHz