Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR4TOM callsign genealogy
Currently held by Contolini, Chris
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 KR4TOM's current licensee, walking backwards.
- Contolini, ChrisORgranted 2018-11-19cancelled 2018-12-11
Successor callsigns
Callsigns held now by people who previously held KR4TOM.
No current licensee on record previously held this callsign.