Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4RZK callsign genealogy
Currently held by Valentin, Luis A
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 WP4RZK's current licensee, walking backwards.
- Valentin, Luis APRgranted 2021-11-30cancelled 2021-12-21
Successor callsigns
Callsigns held now by people who previously held WP4RZK.
- Valentin, Luis APRgranted 2021-11-30cancelled 2021-12-21