Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4SGK callsign genealogy
Currently held by KOFF, SAMUEL G
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 W4SGK's current licensee, walking backwards.
- KING, STEVEN GVAgranted 2015-02-17cancelled 2015-03-13
Successor callsigns
Callsigns held now by people who previously held W4SGK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4SGK, oldest first.
- KOFF, SAMUEL G NC2000-10-24 → cancelled 2012-10-25
- KING, STEVEN G VA2025-03-04 active