Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4KVB callsign genealogy
Currently held by Sokolowski, John 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 W4KVB's current licensee, walking backwards.
- Sokolowski, John AVAgranted 2014-02-28cancelled 2014-06-07
Successor callsigns
Callsigns held now by people who previously held W4KVB.
No current licensee on record previously held this callsign.