Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5CHU callsign genealogy
Currently held by Chu, David 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 K5CHU's current licensee, walking backwards.
- Chu, David WNMgranted 2015-08-21cancelled 2021-10-22
Successor callsigns
Callsigns held now by people who previously held K5CHU.
No current licensee on record previously held this callsign.