Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5KIT callsign genealogy
Currently held by Martinez, Joseph C
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 W5KIT's current licensee, walking backwards.
- Martinez, Joseph CLAgranted 2022-09-16cancelled 2023-04-15
Successor callsigns
Callsigns held now by people who previously held W5KIT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5KIT, oldest first.
- BILLING, DAVID A NM2006-12-01 → cancelled 2019-02-13
- Martinez, Joseph C LA2023-04-15 active