Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4TXO callsign genealogy
Currently held by HARRIS JR, SAMUEL M
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 KG4TXO's current licensee, walking backwards.
- Harris JR, Samuel MSCgranted 2020-09-21cancelled 2020-11-28
Successor callsigns
Callsigns held now by people who previously held KG4TXO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KG4TXO, oldest first.
- Harris Jr, Samuel M SC2002-06-20 → cancelled 2014-06-21
- HARRIS JR, SAMUEL M SC2020-11-28 active