Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1WMT callsign genealogy
Currently held by MAHONEY, ROBERT F
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 K1WMT's current licensee, walking backwards.
- Tarkulich, William MMAgranted 2014-07-15cancelled 2014-08-26
Successor callsigns
Callsigns held now by people who previously held K1WMT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1WMT, oldest first.
- MAHONEY, ROBERT F MA1998-09-01 → cancelled 2010-09-02
- Tarkulich, William M VT2024-06-21 active