Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4RET callsign genealogy
Currently held by Rosa III, Marcos I
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 WP4RET's current licensee, walking backwards.
- Rosa III, Marcos IPRgranted 2012-09-14cancelled 2015-02-20
Successor callsigns
Callsigns held now by people who previously held WP4RET.
No current licensee on record previously held this callsign.