Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4LCK callsign genealogy
Currently held by Robertson Sr, Carl 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 W4LCK's current licensee, walking backwards.
- Robertson, Paul DGAgranted 2012-06-13cancelled 2020-08-04
Successor callsigns
Callsigns held now by people who previously held W4LCK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4LCK, oldest first.
- Robertson Sr, Carl T AL2001-08-03 → cancelled 2013-10-09
- Robertson, Paul D GA2020-08-04 active