Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA1OKC callsign genealogy
Currently held by Simpkins, James F
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 WA1OKC's current licensee, walking backwards.
- Simpkins, James FWAgranted 2025-01-29cancelled 2025-02-19
Successor callsigns
Callsigns held now by people who previously held WA1OKC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA1OKC, oldest first.
- Simpkins, James F WA2010-03-03 → cancelled 2022-05-06
- Simpkins, James F WA2025-02-19 active