Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6TTA callsign genealogy
Currently held by SWETT, CHARLES F
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 W6TTA's current licensee, walking backwards.
- Hornberger, Ryan CCAgranted 2018-11-29cancelled 2018-12-18
Successor callsigns
Callsigns held now by people who previously held W6TTA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6TTA, oldest first.
- SWETT, CHARLES F CA1996-05-22 → cancelled 2008-05-23
- Hornberger, Ryan C FL2018-12-18 active