Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6ECM callsign genealogy
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 K6ECM's current licensee, walking backwards.
- Pyke, Robert DCAgranted 2013-05-03cancelled 2016-05-24
Successor callsigns
Callsigns held now by people who previously held K6ECM.
- SMITH, RALPH LAZgranted 1998-01-06cancelled 2010-01-07
All historical holders
Every license row we've seen with the callsign K6ECM, oldest first.
- Pyke, Robert D CA2026-04-01 active
- —— → cancelled 1998-01-06