Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6ONE callsign genealogy
Currently held by Jacobs, Bill 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 W6ONE's current licensee, walking backwards.
- Martinez, Antonio GCAgranted 2019-08-07cancelled 2021-04-20
Successor callsigns
Callsigns held now by people who previously held W6ONE.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6ONE, oldest first.
- Jacobs, Bill C CA2009-02-18 → cancelled 2021-02-20
- Martinez, Antonio G CA2021-04-20 active