Hi Ziko Thank you for your replay. Since these gapes are unavoidable. Can you please specify their duration, and do they occur in a regular bases or it is randomly. Will you provide technical details about this matter, please? This is really crucial for my master thesis. Thanks again for your help R...

:( :( I am using a PS3204 on a Dell 3.0GHz Dual core computer with 2GB of RAM, XP windows, to operate PicoLog with 1.5625MHz sampling rate, and number of samples per file is 256000. This make the file duration is 164ms. My run lasts for 48 seconds, which means I should have 292 files. But it is givi...