Confidence: Medium · Source: FCC ULS · As of 2026-09-09
K6KOA callsign genealogy
Currently held by Hart, Montgomery L
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 K6KOA's current licensee, walking backwards.
- Anderson, Kenneth JHIgranted 2023-01-27cancelled 2024-04-05
Successor callsigns
Callsigns held now by people who previously held K6KOA.
All historical holders
Every license row we've seen with the callsign K6KOA, oldest first.
- Hart, Montgomery L CA2014-06-06 → cancelled 2014-06-27
- Anderson, Kenneth J HI2024-04-05 → cancelled 2024-10-01