Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3DFD callsign genealogy
Currently held by DOLER JR, DAVID F
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 K3DFD's current licensee, walking backwards.
- DOLER JR, DAVID FPAgranted 2018-04-17cancelled 2023-10-28
Successor callsigns
Callsigns held now by people who previously held K3DFD.
No current licensee on record previously held this callsign.