Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7MTO callsign genealogy
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 N7MTO's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N7MTO.
- CHRISTENSEN, PATRICK BWAgranted 2009-03-07cancelled 2018-07-14
All historical holders
Every license row we've seen with the callsign N7MTO, oldest first.
- CHRISTENSEN, PATRICK B WA2018-07-14 active
- —— → cancelled 1999-05-26