Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3OTW callsign genealogy
Currently held by Cline, John M
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 K3OTW's current licensee, walking backwards.
- Cline, John MKYgranted 2023-01-20cancelled 2023-02-11
Successor callsigns
Callsigns held now by people who previously held K3OTW.
No current licensee on record previously held this callsign.