Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6TSW callsign genealogy
Currently held by Whitehead, Thomas S
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 N6TSW's current licensee, walking backwards.
- Whitehead, Thomas SCAgranted 2022-03-08cancelled 2022-03-29
Successor callsigns
Callsigns held now by people who previously held N6TSW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6TSW, oldest first.
- GRAYSON, JAMES Y CA1988-11-22 → cancelled 2000-11-28
- Whitehead, Thomas S CA2022-03-29 active