Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4FER callsign genealogy
Currently held by Escobar-Roger, Frank
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 K4FER's current licensee, walking backwards.
- Escobar-Roger, FrankFLgranted 2020-06-02cancelled 2020-06-20
Successor callsigns
Callsigns held now by people who previously held K4FER.
No current licensee on record previously held this callsign.