Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KM6BLV callsign genealogy
Currently held by Riffner, Reinhard
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 KM6BLV's current licensee, walking backwards.
- Guerrero, Librado CCAgranted 2018-12-03cancelled 2019-02-09
Successor callsigns
Callsigns held now by people who previously held KM6BLV.
- Riffner, ReinhardIDgranted 2016-04-12cancelled 2022-04-19
All historical holders
Every license row we've seen with the callsign KM6BLV, oldest first.
- Riffner, Reinhard CA2016-03-24 → cancelled 2016-04-12
- Guerrero, Librado C CA2019-02-09 active