Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AK4YI callsign genealogy
Currently held by ROBINSON, MARK J
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 AK4YI's current licensee, walking backwards.
- ROBINSON, MARK JKYgranted 2004-10-23cancelled 2012-09-21
Successor callsigns
Callsigns held now by people who previously held AK4YI.
- ROBINSON, MARK JKYgranted 2022-09-16