Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4LAK callsign genealogy
Currently held by Lake County Sheriffs Office STARS Sheriffs Tactical Amateur Radio Support
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 K4LAK's current licensee, walking backwards.
- KK4CJDcancelledLake County Sheriffs Office STARS Sheriffs Tactical Amateur Radio SupportFLgranted 2011-05-31cancelled 2013-12-06
Successor callsigns
Callsigns held now by people who previously held K4LAK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4LAK, oldest first.
- KNIGHT JR, LAWRENCE A NC2001-09-25 → cancelled 2013-09-26
- Lake County Sheriffs Office STARS Sheriffs Tactical Amateur Radio Support FL2024-03-20 active