Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF5ZFA callsign genealogy
Currently held by MACHART, DAVID L
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 KF5ZFA's current licensee, walking backwards.
- Machart, David LTXgranted 2013-11-06cancelled 2013-11-21
Successor callsigns
Callsigns held now by people who previously held KF5ZFA.
- MACHART, DAVID LTXgranted 2025-07-17