Confidence: Medium · Source: FCC ULS · As of 2026-09-11
W2SW callsign genealogy
Currently held by WEBB, SPENCER 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 W2SW's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W2SW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W2SW, oldest first.
- THEISEN SR, ROBERT C FL2006-08-08 → cancelled 2018-11-06
- WEBB, SPENCER L NH2018-11-24 active