Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WA4WRO callsign genealogy
Currently held by RILEY, D W
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 WA4WRO's current licensee, walking backwards.
- WAWRO, WALTER FTNgranted 2010-06-15cancelled 2020-03-10
Successor callsigns
Callsigns held now by people who previously held WA4WRO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA4WRO, oldest first.
- RILEY, D W KY2006-02-28 → cancelled 2018-03-13
- WAWRO, WALTER F TN2020-03-10 active