On Wednesday, 2 November 2016 18:02:15 UTC+2, Dan Marotta wrote:
Hey Renny, next time we're both at the airport, let's see if I can see
you on my display across the taxiway.

From my limited experience of FLARM that won't work because FLARM filters out stationary targets.
You can however have Renny flying nearby and spot it from your unit on the ground.