Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6MRF callsign genealogy
Currently held by FRIEDMAN, MARK R
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 N6MRF's current licensee, walking backwards.
- FRIEDMAN, MARK RCAgranted 1994-05-31cancelled 2001-01-20
Successor callsigns
Callsigns held now by people who previously held N6MRF.
- ZACKS, CHARLES MMEgranted 2021-07-27