Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6JCM callsign genealogy
Currently held by May, Jeffrey C
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 W6JCM's current licensee, walking backwards.
- May, Jeffrey CILgranted 2018-02-23cancelled 2018-03-20
Successor callsigns
Callsigns held now by people who previously held W6JCM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6JCM, oldest first.
- WHITE, ROBERT K FL2004-04-27 → cancelled 2016-07-16
- May, Jeffrey C IL2018-03-20 active