Confidence: Medium · Source: FCC ULS · As of 2026-09-11
KF6WKB callsign genealogy
Currently held by Asvitt, John Steven C
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 KF6WKB's current licensee, walking backwards.
- Asvitt, John Steven CCAgranted 2012-10-23cancelled 2012-11-10
Successor callsigns
Callsigns held now by people who previously held KF6WKB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF6WKB, oldest first.
- ASVITT, JOHN STEVEN C CA1999-05-25 → cancelled 2011-05-26
- Asvitt, John Steven C CA2012-11-10 → cancelled 2024-12-04