Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KM4CWD callsign genealogy
Currently held by SULLIVAN, RONALD A
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 KM4CWD's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KM4CWD.
- SULLIVAN, RONALD ANCgranted 2014-07-25cancelled 2015-03-28