Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9NW callsign genealogy
Currently held by SEARING, CARL 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 W9NW's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W9NW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9NW, oldest first.
- SEARING, CARL F WI2016-06-07 → cancelled 2016-10-24
- Zancha, Ralph IL2018-11-14 active