Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N8TAU callsign genealogy
Currently held by Swartz, William 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 N8TAU's current licensee, walking backwards.
- SWARTZ, WILLIAM RMIgranted 2018-12-27cancelled 2023-11-07
Successor callsigns
Callsigns held now by people who previously held N8TAU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N8TAU, oldest first.
- JEFFREY, JEANINE M MI1992-04-14 → cancelled 2004-04-15
- Swartz, William R MI2023-11-07 active