Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N2TAX callsign genealogy
Currently held by PALMER, DAVID B
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 N2TAX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N2TAX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N2TAX, oldest first.
- LIU, CHANG HSIEN NY1992-12-22 → cancelled 2004-12-23
- PALMER, DAVID B CA2017-04-21 active