Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KG4TIO callsign genealogy
Currently held by Merchant, Thomas E
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 KG4TIO's current licensee, walking backwards.
- Merchant, Thomas ETNgranted 2016-05-10cancelled 2017-06-30
Successor callsigns
Callsigns held now by people who previously held KG4TIO.
- Merchant, Thomas ETNgranted 2016-05-10cancelled 2017-06-30
All historical holders
Every license row we've seen with the callsign KG4TIO, oldest first.
- Merchant, Thomas E TN2012-05-10 → cancelled 2016-05-10
- Merchant, Thomas E TN2017-06-30 active