Help with spotting hang gliders and para gliders

A paraglider equipment manufacturer is using a paragliding flight instrument which has a built in FLARM transmitter, with the aim of improving safety for gliders and paragliders. The company involved report that its tricky to measure whether the equipment is proving effective in ‘active service’ and have asked if glider pilots spot a hang glider or paraglider that also appears on their FLARM system, they would be pleased to hear more. The point of contact is