Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4CRN callsign genealogy
Currently held by Club Ruedita Nocturna De Los Amigos
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by KP4CRN's current licensee, walking backwards.
- ROBLES, CARLOS RPRgranted 2011-07-20cancelled 2018-10-23
Successor callsigns
Callsigns held now by people who previously held KP4CRN.
- WP4GRCactiveGrupo De Recuperacion ComunitariaPRgranted 2016-07-08
All historical holders
Every license row we've seen with the callsign KP4CRN, oldest first.
- Club Ruedita Nocturna De Los Amigos PR2015-07-24 → cancelled 2016-07-08
- ROBLES, CARLOS R PR2018-10-23 active