Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DDP callsign genealogy
Currently held by PICKERING, DENNIS D
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 K4DDP's current licensee, walking backwards.
- DAVIES, DAVID SNCgranted 2015-08-20cancelled 2015-09-29
Successor callsigns
Callsigns held now by people who previously held K4DDP.
- PICKERING, DENNIS DGAgranted 2017-04-24
All historical holders
Every license row we've seen with the callsign K4DDP, oldest first.
- PICKERING, DENNIS D GA2003-04-29 → cancelled 2007-07-20
- DAVIES, DAVID S NC2025-09-20 active