Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5OK callsign genealogy
Currently held by Russell Amateur Radio Club
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 AD5OK's current licensee, walking backwards.
- KJ5FGEcancelledRussell Amateur Radio ClubOKgranted 2024-03-16cancelled 2024-04-05
Successor callsigns
Callsigns held now by people who previously held AD5OK.
- SIMS, STEWART WTXgranted 2017-03-04
All historical holders
Every license row we've seen with the callsign AD5OK, oldest first.
- SIMS, STEWART W TX2017-02-14 → cancelled 2017-03-04
- Russell Amateur Radio Club OK2024-04-05 active