Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KP4AEM 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 KP4AEM's current licensee, walking backwards.
- WP4TJFcancelledArecibo Emergency Management Amateur Radio ClubPRgranted 2024-06-05cancelled 2024-06-28
Successor callsigns
Callsigns held now by people who previously held KP4AEM.
No current licensee on record previously held this callsign.