Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1PDW callsign genealogy
Currently held by FERGUSON, ROBERT G
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 W1PDW's current licensee, walking backwards.
- Weston, Phillip DKSgranted 2021-03-03cancelled 2021-05-21
Successor callsigns
Callsigns held now by people who previously held W1PDW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1PDW, oldest first.
- FERGUSON, ROBERT G MA1998-09-18 → cancelled 2010-09-21
- Weston, Phillip D KS2021-05-21 active