Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4CNN callsign genealogy
Currently held by CREAMER, MARY H
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 K4CNN's current licensee, walking backwards.
- Murphy, Andrew DFLgranted 2019-10-02cancelled 2019-10-22
Successor callsigns
Callsigns held now by people who previously held K4CNN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4CNN, oldest first.
- CREAMER, MARY H FL2007-05-07 → cancelled 2019-06-25
- Murphy, Andrew D FL2019-10-22 active