Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4UFB callsign genealogy
Currently held by Ritchie, Earl
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 K4UFB's current licensee, walking backwards.
- Ritchie, EarlFLgranted 2016-04-29cancelled 2016-06-07
Successor callsigns
Callsigns held now by people who previously held K4UFB.
No current licensee on record previously held this callsign.