Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO5LAH callsign genealogy
Currently held by Olah, Sandy L
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 KO5LAH's current licensee, walking backwards.
- Olah, Sandy LTXgranted 2020-03-03cancelled 2020-04-04
Successor callsigns
Callsigns held now by people who previously held KO5LAH.
No current licensee on record previously held this callsign.