Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0TOM callsign genealogy
Currently held by BRERETON, THOMAS 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 W0TOM's current licensee, walking backwards.
- MC KAY, TOM CMOgranted 2017-12-28cancelled 2019-12-13
Successor callsigns
Callsigns held now by people who previously held W0TOM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W0TOM, oldest first.
- BREILAND, LOWELL A ND1995-04-25 → cancelled 2007-04-26
- BRERETON, THOMAS F CO2007-08-29 → cancelled 2019-08-30
- MC KAY, TOM C MO2019-12-13 active