Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4GQY callsign genealogy
Currently held by Trentham, James D
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 N4GQY's current licensee, walking backwards.
- Trentham, James DFLgranted 2020-04-27cancelled 2023-05-19
Successor callsigns
Callsigns held now by people who previously held N4GQY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4GQY, oldest first.
- BARTELSON, DONALD E FL2007-09-05 → cancelled 2019-12-04
- Trentham, James D FL2023-05-19 active