Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6TZF callsign genealogy
Currently held by SLOSSON, THOMAS L
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 N6TZF's current licensee, walking backwards.
- VILLYARD, JOSHUA GCAgranted 2008-11-19cancelled 2009-04-28
Successor callsigns
Callsigns held now by people who previously held N6TZF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6TZF, oldest first.
- SLOSSON, THOMAS L CA1989-01-03 → cancelled 2001-01-04
- VILLYARD, JOSHUA G CA2019-04-04 active