Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9UU callsign genealogy
Currently held by Hollowell, Donald R
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 W9UU's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held W9UU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9UU, oldest first.
- Hollowell, Donald R IL2006-06-06 → cancelled 2015-01-21
- WEST, RONALD J FL2017-02-10 active