Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3BRT callsign genealogy
Currently held by FRANKFORD, MARK A
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 N3BRT's current licensee, walking backwards.
- FRANKFORD, MARK AMDgranted 2011-09-07cancelled 2020-02-08
Successor callsigns
Callsigns held now by people who previously held N3BRT.
No current licensee on record previously held this callsign.