Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4FSQ callsign genealogy
Currently held by COBURN, THOMAS M
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 N4FSQ's current licensee, walking backwards.
- N2ANZno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held N4FSQ.
- COBURN, THOMAS MFLgranted 2021-04-15