Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5ZR callsign genealogy
Currently held by MC CAIN, ROBERT G
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 K5ZR's current licensee, walking backwards.
- Banik, MatejNYgranted 2025-01-29cancelled 2025-05-20
Successor callsigns
Callsigns held now by people who previously held K5ZR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5ZR, oldest first.
- MC CAIN, ROBERT G TX2016-08-17 → cancelled 2023-04-30
- Banik, Matej NY2025-05-20 active