Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4DID callsign genealogy
Currently held by Cohen, Sharon E
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 K4DID's current licensee, walking backwards.
- Dundon, Daniel IKYgranted 2020-05-28cancelled 2020-07-18
Successor callsigns
Callsigns held now by people who previously held K4DID.
- Cohen, Sharon ENHgranted 2025-11-19
All historical holders
Every license row we've seen with the callsign K4DID, oldest first.
- Cohen, Sharon E FL2015-12-08 → cancelled 2016-01-08
- Dundon, Daniel I KY2020-07-18 active