Confidence: Medium · Source: FCC ULS · As of 2026-09-15
K4FRT callsign genealogy
Currently held by Fellsmere Amateur Radio Team
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 K4FRT's current licensee, walking backwards.
- KM4CHHcancelledFellsmere Amateur Radio TeamFLgranted 2014-06-17cancelled 2014-07-08
Successor callsigns
Callsigns held now by people who previously held K4FRT.
No current licensee on record previously held this callsign.