Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ5CF callsign genealogy
Currently held by TOMLINSON, ROBERT B
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 KJ5CF's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KJ5CF.
No current licensee on record previously held this callsign.