Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4MAB callsign genealogy
Currently held by WELCH, HAROLD W
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 N4MAB's current licensee, walking backwards.
- BRYANT II, MARSHALL AKYgranted 2018-05-04cancelled 2020-01-24
Successor callsigns
Callsigns held now by people who previously held N4MAB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4MAB, oldest first.
- WELCH, HAROLD W FL1997-12-24 → cancelled 2009-12-25
- BRYANT II, MARSHALL A KY2020-01-24 active