Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4IS callsign genealogy
Currently held by LAWSON JR, LARRY 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 W4IS's current licensee, walking backwards.
- LAWSON JR, LARRY LTNgranted 2024-01-19cancelled 2025-05-16
Successor callsigns
Callsigns held now by people who previously held W4IS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4IS, oldest first.
- THIGPEN JR, MARSHALL R GA2016-08-08 → cancelled 2023-04-27
- LAWSON JR, LARRY L TN2025-05-16 active