Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5MJA callsign genealogy
Currently held by ALFONSI, MARTIN J
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 W5MJA's current licensee, walking backwards.
- ALFONSI, MARTIN JTXgranted 2019-01-30cancelled 2019-06-18
Successor callsigns
Callsigns held now by people who previously held W5MJA.
No current licensee on record previously held this callsign.