Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KW4VB callsign genealogy
Currently held by Clark, Mark A
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 KW4VB's current licensee, walking backwards.
- Clark, Mark AGAgranted 2016-01-26cancelled 2016-06-01
Successor callsigns
Callsigns held now by people who previously held KW4VB.
- Clark, Mark AGAgranted 2017-02-22