Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4KYX callsign genealogy
Currently held by HANSFORD, MARK T
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 K4KYX's current licensee, walking backwards.
- HANSFORD, MARK TGAgranted 2026-07-14
Successor callsigns
Callsigns held now by people who previously held K4KYX.
- HANSFORD, MARK TGAgranted 2026-07-14