Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4LAC callsign genealogy
Currently held by JOHNSTON SR, ROBERT 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 KK4LAC's current licensee, walking backwards.
- JOHNSTON SR, ROBERT GGAgranted 2011-10-21cancelled 2011-11-11
Successor callsigns
Callsigns held now by people who previously held KK4LAC.
No current licensee on record previously held this callsign.