Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1OTI callsign genealogy
Currently held by THOMAS JR, RAYMOND 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 K1OTI's current licensee, walking backwards.
- Walsh, Michael JMNgranted 2019-10-24cancelled 2020-12-18
Successor callsigns
Callsigns held now by people who previously held K1OTI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1OTI, oldest first.
- THOMAS JR, RAYMOND L CT2007-03-26 → cancelled 2019-05-29
- Walsh, Michael J MN2020-12-18 active