Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5USD callsign genealogy
Currently held by Chapman, Ian R
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 K5USD's current licensee, walking backwards.
- Chapman, Ian RNMgranted 2012-11-30cancelled 2013-06-04
Successor callsigns
Callsigns held now by people who previously held K5USD.
No current licensee on record previously held this callsign.