Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4DNK callsign genealogy
Currently held by Harrington Jr, Cecil 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 W4DNK's current licensee, walking backwards.
- Harrington Jr, Cecil TSCgranted 2018-12-19cancelled 2019-02-05
Successor callsigns
Callsigns held now by people who previously held W4DNK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4DNK, oldest first.
- NEMETZ, ANDREW C VA1988-03-08 → cancelled 2000-03-09
- Harrington Jr, Cecil T SC2019-02-05 active