Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4CMO callsign genealogy
Currently held by KANDEL, WILLIAM
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 W4CMO's current licensee, walking backwards.
- KANDEL, WILLIAMSCgranted 2024-03-30cancelled 2024-04-26
Successor callsigns
Callsigns held now by people who previously held W4CMO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4CMO, oldest first.
- ROBINSON, ROEY FL2002-11-19 → cancelled 2015-02-18
- KANDEL, WILLIAM SC2024-04-26 active