Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9NLS callsign genealogy
Currently held by Sielicki, Nicholas 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 W9NLS's current licensee, walking backwards.
- Sielicki, Nicholas LWIgranted 2017-08-22cancelled 2017-09-12
Successor callsigns
Callsigns held now by people who previously held W9NLS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9NLS, oldest first.
- BOYCE, WILBUR C CA1996-06-18 → cancelled 2008-06-19
- Sielicki, Nicholas L WI2017-09-12 active