Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5ZIU callsign genealogy
Currently held by Dacosta, Marcus V
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 K5ZIU's current licensee, walking backwards.
- Dacosta, Marcus VNMgranted 2015-04-22cancelled 2015-06-09
Successor callsigns
Callsigns held now by people who previously held K5ZIU.
No current licensee on record previously held this callsign.