Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7TXL callsign genealogy
Currently held by Mach, Roman
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 K7TXL's current licensee, walking backwards.
- Mach, RomanWAgranted 2019-01-31cancelled 2019-04-09
Successor callsigns
Callsigns held now by people who previously held K7TXL.
No current licensee on record previously held this callsign.