Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WP4TJF callsign genealogy
Currently held by Arecibo Emergency Management Amateur Radio Club
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 WP4TJF'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 WP4TJF.
- KP4AEMactiveArecibo Emergency Management Amateur Radio ClubPRgranted 2024-06-28