Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7RMT callsign genealogy
Currently held by Tull, Robert M
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 W7RMT's current licensee, walking backwards.
- Tull, Robert MWAgranted 2014-10-09cancelled 2014-11-01
Successor callsigns
Callsigns held now by people who previously held W7RMT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7RMT, oldest first.
- TRIGGS SR, ROBERT M AZ2002-03-28 → cancelled 2014-03-29
- Tull, Robert M WA2024-10-26 active