Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KP4MQ callsign genealogy
Currently held by Puerto Rico CW And Contest Group
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 KP4MQ's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KP4MQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KP4MQ, oldest first.
- VERA LIZARDI, FELIX PR2011-08-11 → cancelled 2023-10-24
- Puerto Rico CW And Contest Group PR2025-05-28 active