Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KR5NM callsign genealogy
Currently held by SIERRA BLANCA AMATEUR RADIO CLUB
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 KR5NM's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KR5NM.
No current licensee on record previously held this callsign.