Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DKF callsign genealogy
Currently held by FAKKEMA, DOUGLAS K
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 W4DKF's current licensee, walking backwards.
- FLOWERS, DORIAN KSCgranted 2022-03-31cancelled 2023-07-11
Successor callsigns
Callsigns held now by people who previously held W4DKF.
- Fakkema, Douglas KSCgranted 2018-10-12
All historical holders
Every license row we've seen with the callsign W4DKF, oldest first.
- FAKKEMA, DOUGLAS K SC2017-04-04 → cancelled 2018-10-12
- FLOWERS, DORIAN K SC2023-07-11 active