Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4AJO callsign genealogy
Currently held by O'Lear, Andrew J
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 W4AJO's current licensee, walking backwards.
- O'Lear, Andrew JTNgranted 2013-03-27cancelled 2014-11-29
Successor callsigns
Callsigns held now by people who previously held W4AJO.
No current licensee on record previously held this callsign.