Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB5ZIW callsign genealogy
Currently held by Lopez, David
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 KB5ZIW's current licensee, walking backwards.
- Lopez, DavidTXgranted 2013-04-24cancelled 2013-05-14
Successor callsigns
Callsigns held now by people who previously held KB5ZIW.
- Lopez, DavidTXgranted 2026-07-10
All historical holders
Every license row we've seen with the callsign KB5ZIW, oldest first.
- LOPEZ, DAVID NM1993-03-23 → cancelled 2005-03-24
- Lopez, David TX2013-05-14 → cancelled 2016-07-02