Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WP4LEM callsign genealogy
Currently held by Velazquez Sanabria, Jerry Oscar
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 WP4LEM's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held WP4LEM.
- VELAZQUEZ, JERRY OVAgranted 2022-03-29