Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4TSA callsign genealogy
Currently held by LAMB SR, GREGORY T
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 W4TSA's current licensee, walking backwards.
- Liu, Elliott WNCgranted 2022-07-14cancelled 2022-08-06
Successor callsigns
Callsigns held now by people who previously held W4TSA.
- LAMB SR, GREGORY TKYgranted 2025-12-16
All historical holders
Every license row we've seen with the callsign W4TSA, oldest first.
- LAMB SR, GREGORY T KY2008-01-23 → cancelled 2015-11-13
- Liu, Elliott W NC2022-08-06 active