Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5YX callsign genealogy
Currently held by Nelson, Michael 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 K5YX's current licensee, walking backwards.
- Nelson, Michael JTXgranted 2005-04-07cancelled 2007-07-06
Successor callsigns
Callsigns held now by people who previously held K5YX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5YX, oldest first.
- ROMAINE JR, CHARLES B MS1997-02-03 → cancelled 1998-03-25
- Nelson, Michael J TX2017-04-11 active