Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4CLK callsign genealogy
Currently held by Donovan, Timothy G
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 W4CLK's current licensee, walking backwards.
- Donovan, Timothy GVAgranted 2003-10-10cancelled 2011-03-01
Successor callsigns
Callsigns held now by people who previously held W4CLK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4CLK, oldest first.
- CARSON, HENRY L TN1996-03-25 → cancelled 2008-03-26
- Donovan, Timothy G VA2020-12-04 active