Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB9LM callsign genealogy
Currently held by SPIES, STEWART 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 KB9LM's current licensee, walking backwards.
- SPIES, STEWART MILgranted 2018-08-08cancelled 2019-06-15
Successor callsigns
Callsigns held now by people who previously held KB9LM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB9LM, oldest first.
- SPIES, STEWART M IL2005-06-14 → cancelled 2017-06-29
- SPIES, STEWART M IL2019-06-15 active