Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4DAV callsign genealogy
Currently held by Lambert, David J
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 KF4DAV's current licensee, walking backwards.
- Lambert, David JFLgranted 2021-01-11cancelled 2021-01-29
Successor callsigns
Callsigns held now by people who previously held KF4DAV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF4DAV, oldest first.
- MERBLER, GERARD VA1995-08-31 → cancelled 2007-09-01
- Lambert, David J FL2021-01-29 active