Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1MRT callsign genealogy
Currently held by Tranholt, Randy G
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 W1MRT's current licensee, walking backwards.
- Tranholt, Randy GWAgranted 2018-10-30cancelled 2018-11-24
Successor callsigns
Callsigns held now by people who previously held W1MRT.
No current licensee on record previously held this callsign.