Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA1PBD callsign genealogy
Currently held by Frothingham Jr, John L
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 WA1PBD's current licensee, walking backwards.
- Frothingham Jr, John LMAgranted 2024-11-22cancelled 2026-03-31
Successor callsigns
Callsigns held now by people who previously held WA1PBD.
No current licensee on record previously held this callsign.