Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5APD callsign genealogy
Currently held by Styck, James D
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 K5APD's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K5APD.
- RINGUETTE, MARKTXgranted 2017-12-08
All historical holders
Every license row we've seen with the callsign K5APD, oldest first.
- RINGUETTE, MARK L TX2016-01-08 → cancelled 2017-12-08
- Styck, James D NM2021-08-17 active