2005-04-01 00:00:00 ascii data 4.75 MHz	2005-04-01 01:00:00 ascii data 4.75 MHz	2005-04-01 02:00:00 ascii data 4.75 MHz	2005-04-01 03:00:00 ascii data 4.75 MHz
2005-04-01 04:00:00 ascii data 4.75 MHz	2005-04-01 05:00:00 ascii data 4.75 MHz	2005-04-01 06:00:00 ascii data 4.75 MHz