Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N5TXY callsign genealogy
Currently held by BIRKINSHAW, JEROLD R
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 N5TXY's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N5TXY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N5TXY, oldest first.
- OBERMEIER, BERNARD D TX1991-06-04 → cancelled 2003-06-05
- BIRKINSHAW, JEROLD R TX2018-10-30 active