Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WT6S callsign genealogy
Currently held by PORTER, DONALD J
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 WT6S's current licensee, walking backwards.
- HORTON, CHRISTOPHER ACAgranted 2016-06-07cancelled 2022-08-19
Successor callsigns
Callsigns held now by people who previously held WT6S.
- PORTER, DONALD JCAgranted 2020-07-31
All historical holders
Every license row we've seen with the callsign WT6S, oldest first.
- DITZEL, RICHARD A CA2008-06-02 → cancelled 2017-09-08
- PORTER, DONALD J CA2019-10-04 → cancelled 2020-07-31
- HORTON, CHRISTOPHER A CA2022-08-19 active