Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4RTM callsign genealogy
Currently held by Marcovecchio Sr, Richard T
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 K4RTM's current licensee, walking backwards.
- Marcovecchio Sr, Richard TFLgranted 2013-10-30cancelled 2015-02-10
Successor callsigns
Callsigns held now by people who previously held K4RTM.
No current licensee on record previously held this callsign.