Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5GMO callsign genealogy
Currently held by RANKIN, RALPH F
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 K5GMO's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K5GMO.
No current licensee on record previously held this callsign.