Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA6ASJ callsign genealogy
Currently held by MARTIN, KEITH W
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 KA6ASJ's current licensee, walking backwards.
- Martin, Ryan LCAgranted 2021-03-18cancelled 2021-06-29
Successor callsigns
Callsigns held now by people who previously held KA6ASJ.
- MARTIN, KEITH WCAgranted 2020-08-07
All historical holders
Every license row we've seen with the callsign KA6ASJ, oldest first.
- MARTIN, KEITH W CA2018-11-15 → cancelled 2020-08-07
- Martin, Ryan J CA2021-06-29 active