Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3AKU callsign genealogy
Currently held by Ferguson, Robert J
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 W3AKU's current licensee, walking backwards.
- Ferguson, Robert JPAgranted 2025-09-16cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held W3AKU.
- SANDERS, MICHAEL JNYgranted 2010-08-07cancelled 2022-09-27
All historical holders
Every license row we've seen with the callsign W3AKU, oldest first.
- SANDERS, MICHAEL J NY1997-10-01 → cancelled 2000-09-26
- Ferguson, Robert J PA2025-12-09 active