Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7RTX callsign genealogy
Currently held by Holmes, Robert L
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 K7RTX's current licensee, walking backwards.
- Holmes, Robert LORgranted 2013-11-26cancelled 2018-05-01
Successor callsigns
Callsigns held now by people who previously held K7RTX.
No current licensee on record previously held this callsign.