Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9ZEE callsign genealogy
Currently held by Koehler, Richard W
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 K9ZEE's current licensee, walking backwards.
- Koehler, Richard WNMgranted 2020-09-21cancelled 2020-10-10
Successor callsigns
Callsigns held now by people who previously held K9ZEE.
No current licensee on record previously held this callsign.