Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD4KZK callsign genealogy
Currently held by Hemppatch Mountain ARC
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 WD4KZK's current licensee, walking backwards.
- KO4ZJPcancelledHemppatch Mountain ARCVAgranted 2022-04-06cancelled 2022-04-26
Successor callsigns
Callsigns held now by people who previously held WD4KZK.
- LAMB, CHARLES EVAgranted 2020-02-05
All historical holders
Every license row we've seen with the callsign WD4KZK, oldest first.
- LAMB, CHARLES E VA2008-06-05 → cancelled 2010-03-09
- Hemppatch Mountain ARC VA2022-04-26 active