Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7MTB callsign genealogy
Currently held by Sicotte, John 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 N7MTB's current licensee, walking backwards.
- Blomstrom, Michael TIDgranted 2010-06-24cancelled 2013-12-31
Successor callsigns
Callsigns held now by people who previously held N7MTB.
- Sicotte, John AWAgranted 1999-01-15cancelled 2004-05-07
All historical holders
Every license row we've seen with the callsign N7MTB, oldest first.
- Sicotte, John A WA1999-01-15 → cancelled 2004-04-14
- Blomstrom, Michael T ID2025-02-06 active