Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4WKS callsign genealogy
Currently held by GUERRERO, LUIS F
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 N4WKS's current licensee, walking backwards.
- MARTIN, MERRITT TCAgranted 2023-09-06cancelled 2024-03-12
Successor callsigns
Callsigns held now by people who previously held N4WKS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4WKS, oldest first.
- GUERRERO, LUIS F FL2008-05-01 → cancelled 2020-07-29
- MARTIN, MERRITT T SC2024-03-12 active