Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KK0W callsign genealogy
Currently held by ADAMS, DORRIS 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 KK0W's current licensee, walking backwards.
- Block, Seth MCTgranted 2024-10-26cancelled 2024-12-07
Successor callsigns
Callsigns held now by people who previously held KK0W.
- SMITH, ROGER DMOgranted 2022-11-18
All historical holders
Every license row we've seen with the callsign KK0W, oldest first.
- ADAMS, DORRIS L MO2013-07-09 → cancelled 2019-11-19
- SMITH, ROGER D MO2021-12-21 → cancelled 2022-11-18
- Block, Seth M CT2024-12-07 active