Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4TSR callsign genealogy
Currently held by Bean, David 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 N4TSR's current licensee, walking backwards.
- Bean, David MTNgranted 2021-02-01cancelled 2021-02-23
Successor callsigns
Callsigns held now by people who previously held N4TSR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4TSR, oldest first.
- RALSTON, ROBERT E NC1998-04-30 → cancelled 2010-05-01
- Bean, David M TN2021-02-23 active