Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4LSK callsign genealogy
Currently held by RIDGWAY, WALTER W
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 N4LSK's current licensee, walking backwards.
- Kelley, Larry SNCgranted 2006-06-06cancelled 2016-04-09
Successor callsigns
Callsigns held now by people who previously held N4LSK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4LSK, oldest first.
- RIDGWAY, WALTER W VA2000-07-28 → cancelled 2012-09-05
- Kelley, Larry S NC2016-04-09 active