Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KY4OLB callsign genealogy
Currently held by Pennington, Alexander K
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 KY4OLB's current licensee, walking backwards.
- Pennington, Alexander KKYgranted 2018-06-12cancelled 2020-06-30
Successor callsigns
Callsigns held now by people who previously held KY4OLB.
No current licensee on record previously held this callsign.