Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9TRN callsign genealogy
Currently held by Wolfarth, Lawrence S
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 W9TRN's current licensee, walking backwards.
- Wolfarth, Lawrence SVAgranted 2021-10-27cancelled 2021-11-19
Successor callsigns
Callsigns held now by people who previously held W9TRN.
No current licensee on record previously held this callsign.