Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1DFD callsign genealogy
Currently held by Welch, David J
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 KB1DFD's current licensee, walking backwards.
- Meehan Jr, Bernard MCTgranted 2012-10-10cancelled 2012-11-02
Successor callsigns
Callsigns held now by people who previously held KB1DFD.
- Welch, David JRIgranted 2016-12-21
All historical holders
Every license row we've seen with the callsign KB1DFD, oldest first.
- Welch, David J MA1999-07-08 → cancelled 2006-09-15
- Meehan Jr, Bernard M CT2022-12-22 active