Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DMC callsign genealogy
Currently held by McConaughy, Daniel T
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 W4DMC's current licensee, walking backwards.
- CHOJNACKI, DAVID MSCgranted 2007-10-22cancelled 2012-07-27
Successor callsigns
Callsigns held now by people who previously held W4DMC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4DMC, oldest first.
- McConaughy, Daniel T TX2000-07-08 → cancelled 2012-07-10
- CHOJNACKI, DAVID M SC2022-07-28 active