Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7TKN callsign genealogy
Currently held by WLAYSEWSKI, WALTER M
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 N7TKN's current licensee, walking backwards.
- Cetola, Stephen JORgranted 2015-12-11cancelled 2016-01-05
Successor callsigns
Callsigns held now by people who previously held N7TKN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7TKN, oldest first.
- WLAYSEWSKI, WALTER M MT2001-09-13 → cancelled 2013-08-07
- Cetola, Stephen J OR2025-12-23 active