Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4TEO callsign genealogy
Currently held by OSHEA, THOMAS
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 KN4TEO's current licensee, walking backwards.
- OShea, Thomas EFLgranted 2017-04-17cancelled 2017-05-05
Successor callsigns
Callsigns held now by people who previously held KN4TEO.
No current licensee on record previously held this callsign.