Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DBL callsign genealogy
Currently held by LAMPMAN, DAN 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 W4DBL's current licensee, walking backwards.
- Lynch, Douglas BFLgranted 2016-07-26cancelled 2016-08-19
Successor callsigns
Callsigns held now by people who previously held W4DBL.
- LAMPMAN, DAN BFLgranted 2023-03-03
All historical holders
Every license row we've seen with the callsign W4DBL, oldest first.
- LAMPMAN, DAN B FL2003-03-18 → cancelled 2003-04-11
- Lynch, Douglas B FL2026-06-02 active