Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4YKG callsign genealogy
Currently held by Sinberg, Howard
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 W4YKG's current licensee, walking backwards.
- Sinberg, HowardFlgranted 2019-02-20cancelled 2019-03-12
Successor callsigns
Callsigns held now by people who previously held W4YKG.
No current licensee on record previously held this callsign.