Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC5LZM callsign genealogy
Currently held by STOLTENBERG, BARBARA S
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 KC5LZM's current licensee, walking backwards.
- Mills, Billy STXgranted 2020-03-13cancelled 2020-03-31
Successor callsigns
Callsigns held now by people who previously held KC5LZM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC5LZM, oldest first.
- STOLTENBERG, BARBARA S TX1998-09-04 → cancelled 2007-01-19
- Mills, Billy S TX2020-03-31 active