Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN4NSL callsign genealogy
Currently held by Lawrence, Frank F
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 KN4NSL'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 KN4NSL.
- Lawrence, Frank FTNgranted 2021-12-28