Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF0KNW callsign genealogy
Currently held by Smith, Mark W
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 KF0KNW'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 KF0KNW.
- Smith, Mark WMOgranted 2022-11-01cancelled 2025-07-01