Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4YAM callsign genealogy
Currently held by RODRIGUEZ SANTIAGO JR, MIGUEL
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 WP4YAM's current licensee, walking backwards.
- RODRIGUEZ SANTIAGO JR, MIGUELPRgranted 2022-04-18cancelled 2022-05-06
Successor callsigns
Callsigns held now by people who previously held WP4YAM.
No current licensee on record previously held this callsign.