Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KL4A callsign genealogy
Currently held by Frigid Contesters
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 KL4A's current licensee, walking backwards.
- EMERSON, BRYANAKgranted 2010-03-11cancelled 2015-02-07
Successor callsigns
Callsigns held now by people who previously held KL4A.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KL4A, oldest first.
- Frigid Contesters AK2002-05-10 → cancelled 2014-05-13
- EMERSON, BRYAN AK2024-11-13 active