To solve the filtering:
If you can format TS as a date (or make create a calculated field from it that is a valid date) you can use the 'relative Date' selection as you drag it to the filter pane:
You can then sort the results - this will sort only the available data (ie. that in the last 6 hours).
If you also want to see unfiltered data you could have a separate tab with all of the data sorted by date (but not filtered) and then combine the two tabs on a dashboard side by side.
I hope this helps