Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W9RTR callsign genealogy
Currently held by TUCKER, THOMAS O
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 W9RTR's current licensee, walking backwards.
- Lunda Jr, David JMNgranted 2020-07-22cancelled 2020-08-18
Successor callsigns
Callsigns held now by people who previously held W9RTR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W9RTR, oldest first.
- TUCKER, THOMAS O MN2006-05-05 → cancelled 2018-06-30
- Lunda Jr, David J MN2020-08-18 active