Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AK4XC callsign genealogy
Currently held by Yunker, Cyrus A
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 AK4XC's current licensee, walking backwards.
- Yunker, Cyrus ANCgranted 2017-07-21cancelled 2019-07-12
Successor callsigns
Callsigns held now by people who previously held AK4XC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AK4XC, oldest first.
- Yunker, Cyrus A NC2005-02-17 → cancelled 2017-05-13
- Yunker, Cyrus A NC2019-07-12 active