Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB5AC callsign genealogy
Currently held by DAWSON, LESTER R
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 KB5AC's current licensee, walking backwards.
- ACOSTA, JOHN ATXgranted 2003-08-21cancelled 2009-01-03
- KC5AIWno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KB5AC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB5AC, oldest first.
- DAWSON, LESTER R OK1988-03-01 → cancelled 2000-03-02
- ACOSTA, JOHN A TX2018-10-06 active