Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4MBU callsign genealogy
Currently held by Stryker, Jeffrey
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 K4MBU's current licensee, walking backwards.
- Stryker, JeffreyVAgranted 2023-10-28cancelled 2025-04-11
Successor callsigns
Callsigns held now by people who previously held K4MBU.
No current licensee on record previously held this callsign.