Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4URO callsign genealogy
Currently held by Carraher, John
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 K4URO's current licensee, walking backwards.
- Carraher, JohnTNgranted 2024-01-11cancelled 2024-01-30
Successor callsigns
Callsigns held now by people who previously held K4URO.
No current licensee on record previously held this callsign.