Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5OSP callsign genealogy
Currently held by Mercer, Jimmy 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 W5OSP's current licensee, walking backwards.
- Mercer, Jimmy DARgranted 2021-07-12cancelled 2022-09-20
Successor callsigns
Callsigns held now by people who previously held W5OSP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5OSP, oldest first.
- HARDIN, WAYNE AR2017-06-01 → cancelled 2022-06-08
- Mercer, Jimmy D AR2022-09-20 active