Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1FSY callsign genealogy
Currently held by McKenzie, David P
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 K1FSY's current licensee, walking backwards.
- Mckenzie, David PCTgranted 2000-10-04cancelled 2009-10-20
Successor callsigns
Callsigns held now by people who previously held K1FSY.
No current licensee on record previously held this callsign.