Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3FDM callsign genealogy
Currently held by Abbott, Steve
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 K3FDM's current licensee, walking backwards.
- Abbott, SteveAZgranted 2018-04-17cancelled 2018-05-05
Successor callsigns
Callsigns held now by people who previously held K3FDM.
No current licensee on record previously held this callsign.