Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9NKW callsign genealogy
Currently held by LIEN, CLIFFORD J
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 W9NKW's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W9NKW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9NKW, oldest first.
- LIEN, CLIFFORD J WI2019-03-06 → cancelled 2022-06-25
- LIEN, MIKEL J WI2023-02-14 active