Filter by *
First I wanted to only request a filter by precision, but why stop there ?
it might be helpfull to filter datas by precision, number of satellites (I have -1 when no satellites), battery level, altitude, user agent, or any of the others datas saved on each point.
There is already a tab for filters, only used for date/time, other fields could be there.
For numbers : min/max For strings : some wildcards (like % or *) could help