Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9CEK callsign genealogy
Currently held by Knecht, Chad E
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 W9CEK's current licensee, walking backwards.
- Knecht, Chad EINgranted 2024-09-10cancelled 2024-11-22
Successor callsigns
Callsigns held now by people who previously held W9CEK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9CEK, oldest first.
- POSANKA, RAYMOND C IL1996-02-28 → cancelled 2008-02-29
- Knecht, Chad E IN2024-11-22 active