Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4RME callsign genealogy
Currently held by Mettler, Rudolf
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 K4RME's current licensee, walking backwards.
- Mettler, RudolfGAgranted 2009-07-28cancelled 2014-04-01
Successor callsigns
Callsigns held now by people who previously held K4RME.
No current licensee on record previously held this callsign.