Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0TAM callsign genealogy
Currently held by Martin, Thomas A
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 K0TAM's current licensee, walking backwards.
- Roofener, Tamara DMOgranted 2005-08-05cancelled 2011-04-15
Successor callsigns
Callsigns held now by people who previously held K0TAM.
- Martin, Thomas AMOgranted 2002-04-23cancelled 2014-04-24
All historical holders
Every license row we've seen with the callsign K0TAM, oldest first.
- Martin, Thomas A MO2000-12-19 → cancelled 2002-04-23
- Roofener, Tamara D MO2021-04-09 active