Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4ECU callsign genealogy
Currently held by LOCKAMY, MEREDITH 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 KM4ECU's current licensee, walking backwards.
- LOCKAMY, MEREDITH LSCgranted 2019-09-30cancelled 2019-10-18
Successor callsigns
Callsigns held now by people who previously held KM4ECU.
- SZMIDT, STEVE ANCgranted 2026-07-25
All historical holders
Every license row we've seen with the callsign KM4ECU, oldest first.
- SZMIDT, STEVE A FL2014-09-08 → cancelled 2016-07-06
- LOCKAMY, MEREDITH L SC2019-10-18 active