Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF5K callsign genealogy
Currently held by Simpson, Keith B
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 AF5K's current licensee, walking backwards.
- Simpson, Keith BTXgranted 2021-01-08cancelled 2021-01-29
Successor callsigns
Callsigns held now by people who previously held AF5K.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AF5K, oldest first.
- MORSE, JAMES D TX1987-09-01 → cancelled 1999-09-02
- Adams, Gary L OH2010-09-28 → cancelled 2019-01-08
- Simpson, Keith B TX2021-01-29 active