Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9IWH callsign genealogy
Currently held by Henry, Grant A
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 K9IWH's current licensee, walking backwards.
- Henry, Grant AINgranted 2025-11-22cancelled 2026-01-16
Successor callsigns
Callsigns held now by people who previously held K9IWH.
No current licensee on record previously held this callsign.