Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3DS callsign genealogy
Currently held by STEVENS, DENNIS 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 AB3DS's current licensee, walking backwards.
- STEVENS, DENNIS JPAgranted 2014-07-10cancelled 2016-05-27
Successor callsigns
Callsigns held now by people who previously held AB3DS.
- Sylvain, Christopher GMDgranted 2026-02-12
All historical holders
Every license row we've seen with the callsign AB3DS, oldest first.
- Sylvain, Christopher G MD2006-04-07 → cancelled 2006-04-28
- STEVENS, DENNIS J PA2026-03-17 active