Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4DBS callsign genealogy
Currently held by SHOAF, DAVID B
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 K4DBS's current licensee, walking backwards.
- Benner, Douglas AGAgranted 2015-03-09cancelled 2015-04-03
Successor callsigns
Callsigns held now by people who previously held K4DBS.
- SHOAF, DAVID BNCgranted 2022-10-13
All historical holders
Every license row we've seen with the callsign K4DBS, oldest first.
- SHOAF, DAVID B NC2009-06-23 → cancelled 2012-12-14
- BENNER, DOUGLAS A NM2025-02-07 active