Done.
Not that I don’t welcome any effort to increase safety but this survey appears a bit amateuristic to me:
Works OK for me.
That site gives me an error “Advanced blocking in effect” (looks like some kind of rate limiting scheme).
This has appeared on another forum and relates to previous thread I started about ADS-B voluntary equippage:
http://fasvig.org/easa-ga-equipment-survey-transponder-gps-collision-avoidancewarning-system