Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1OTO callsign genealogy
Currently held by Jamison, Richard E
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 K1OTO's current licensee, walking backwards.
- Jamison, Richard ECAgranted 2000-03-21cancelled 2001-01-20
Successor callsigns
Callsigns held now by people who previously held K1OTO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1OTO, oldest first.
- JAMISON, RICHARD E CA1987-10-20 → cancelled 1999-10-21
- Jamison, Richard E CA2020-10-27 active