Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4CMM callsign genealogy
Currently held by Hutchinson, Sheila 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 K4CMM's current licensee, walking backwards.
- Hutchinson, Sheila AFLgranted 2016-07-14cancelled 2016-08-05
Successor callsigns
Callsigns held now by people who previously held K4CMM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4CMM, oldest first.
- Mullins, Bobby D NC2004-04-30 → cancelled 2016-05-03
- Hutchinson, Sheila A NC2026-08-01 active