Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4RMR callsign genealogy
Currently held by RANKIN, RYAN M
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 K4RMR's current licensee, walking backwards.
- RANKIN, RYAN MNCgranted 2016-05-18cancelled 2016-06-04
Successor callsigns
Callsigns held now by people who previously held K4RMR.
No current licensee on record previously held this callsign.