Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W3ABC callsign genealogy
Currently held by Turnbull, Hugh 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 W3ABC's current licensee, walking backwards.
- Turnbull, Mark APAgranted 2014-05-01cancelled 2014-05-20
Successor callsigns
Callsigns held now by people who previously held W3ABC.
- TURNBULL, TODD TMSgranted 2023-03-16
All historical holders
Every license row we've seen with the callsign W3ABC, oldest first.
- Turnbull, Hugh A MD2003-04-14 → cancelled 2010-09-14
- TURNBULL, TODD T MS2011-10-25 → cancelled 2012-06-12
- TURNBULL, MARK A PA2025-06-07 active