Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5UO callsign genealogy
Currently held by DOLES JR, CHESTER A
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 W5UO's current licensee, walking backwards.
- HACK, ALAN LNMgranted 1997-03-26cancelled 2000-06-20
Successor callsigns
Callsigns held now by people who previously held W5UO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5UO, oldest first.
- DOLES JR, CHESTER A MS1987-12-29 → cancelled 1999-12-30
- HACK, ALAN L NM2020-03-28 active