Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4OLM callsign genealogy
Currently held by MCKINNEY, OLYN 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 WB4OLM's current licensee, walking backwards.
- McKinney, Olyn LGAgranted 2020-08-31cancelled 2020-09-18
Successor callsigns
Callsigns held now by people who previously held WB4OLM.
No current licensee on record previously held this callsign.