Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1TXN callsign genealogy
Currently held by Eppink, Tyson C
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 N1TXN's current licensee, walking backwards.
- Eppink, Tyson CTXgranted 2022-06-09cancelled 2024-03-29
Successor callsigns
Callsigns held now by people who previously held N1TXN.
- GRELLE, FRANK DCTgranted 2020-06-02
All historical holders
Every license row we've seen with the callsign N1TXN, oldest first.
- GRELLE, FRANK D CT2016-05-04 → cancelled 2020-06-02
- Eppink, Tyson C TX2024-03-29 active