Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1LLP callsign genealogy
Currently held by Potter, William S
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 W1LLP's current licensee, walking backwards.
- Potter, William SMAgranted 2025-11-26cancelled 2026-02-03
Successor callsigns
Callsigns held now by people who previously held W1LLP.
No current licensee on record previously held this callsign.