Confidence: Medium · Source: FCC ULS · As of 2026-09-10
KC4DOC callsign genealogy
Currently held by Mullaly, Dr. Daniel O
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 KC4DOC's current licensee, walking backwards.
- Mullaly, Dr. Daniel OFLgranted 2018-05-02cancelled 2022-10-07
Successor callsigns
Callsigns held now by people who previously held KC4DOC.
No current licensee on record previously held this callsign.