Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4LSM callsign genealogy
Currently held by TRAIL, MICHAEL L
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 N4LSM's current licensee, walking backwards.
- Trail, Michael LVAgranted 2016-05-04cancelled 2016-10-14
Successor callsigns
Callsigns held now by people who previously held N4LSM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4LSM, oldest first.
- TRAIL, MICHAEL L VA1992-06-02 → cancelled 2004-06-03
- TRAIL, MICHAEL L VA2026-08-19 active