Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6LTR callsign genealogy
Currently held by Spence, Matthew
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 K6LTR's current licensee, walking backwards.
- Spence, MattCAgranted 2024-04-24cancelled 2024-05-14
Successor callsigns
Callsigns held now by people who previously held K6LTR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6LTR, oldest first.
- MENG, JOHN M CA1998-06-24 → cancelled 2010-06-25
- Spence, Matthew CA2024-05-14 active