-You may like to process only those observations which are received first within a maximum of 'Sync corr' seconds after the reception of a clock correction. 5 seconds could be an approriate choice for this option. +Zero value (or empty field) means that BNC processes each epoch of data +immediately after its arrival using satellite clock corrections available at +that time. Non-zero value "pppSync" means that the epochs of data are buffered +and the processing of each epoch is postponed till the satellite clock +corrections not older than "pppSync" are available.