Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5FS callsign genealogy
Currently held by Shetz Jr, Frederick T
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 AD5FS's current licensee, walking backwards.
- Shetz Jr, Frederick TTXgranted 2016-07-13cancelled 2017-03-07
Successor callsigns
Callsigns held now by people who previously held AD5FS.
- Soelter, Achim PCAgranted 2023-10-12
All historical holders
Every license row we've seen with the callsign AD5FS, oldest first.
- Soelter, Achim P CA2001-09-18 → cancelled 2004-01-09
- Shetz Jr, Frederick T TX2017-03-07 active