Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KN4NNZ callsign genealogy
Currently held by Newby, 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 KN4NNZ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KN4NNZ.
- Newby, Mark AFLgranted 2018-07-20