Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB5MC callsign genealogy
Currently held by RATHEAL SR, RAY L
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 KB5MC's current licensee, walking backwards.
- Chavez, Michael ANMgranted 2021-01-20cancelled 2021-12-04
Successor callsigns
Callsigns held now by people who previously held KB5MC.
- RATHEAL SR, RAY LTNgranted 2018-11-10
All historical holders
Every license row we've seen with the callsign KB5MC, oldest first.
- RATHEAL SR, RAY L TN2014-07-30 → cancelled 2018-11-10
- Chavez, Michael A NM2021-12-04 active