Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4CTM callsign genealogy
Currently held by Sylvester, Edmund V
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 KM4CTM's current licensee, walking backwards.
- Sylvester, Edmund VSCgranted 2004-09-17cancelled 2014-07-01
Successor callsigns
Callsigns held now by people who previously held KM4CTM.
No current licensee on record previously held this callsign.