Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4ZRK callsign genealogy
Currently held by Edwards, Marcus T
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 K4ZRK's current licensee, walking backwards.
- Edwards, Marcus TARgranted 2021-02-09cancelled 2021-03-20
Successor callsigns
Callsigns held now by people who previously held K4ZRK.
No current licensee on record previously held this callsign.