Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4DC callsign genealogy
Currently held by MCKEEHAN, MICHAEL W
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 N4DC's current licensee, walking backwards.
- MCKEEHAN, MICHAEL WTNgranted 2011-09-03cancelled 2016-09-27
Successor callsigns
Callsigns held now by people who previously held N4DC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4DC, oldest first.
- Weber, Donald C FL2006-05-30 → cancelled 2014-09-08
- MCKEEHAN, MICHAEL W TN2026-07-25 active