Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N6MCH callsign genealogy
Currently held by Chapman, Mark 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 N6MCH's current licensee, walking backwards.
- Chapman, Mark ACAgranted 2008-04-24cancelled 2008-05-13
Successor callsigns
Callsigns held now by people who previously held N6MCH.
- JELDERDA, HOLLY ACAgranted 1998-01-07cancelled 2000-08-15
All historical holders
Every license row we've seen with the callsign N6MCH, oldest first.
- Chapman, Mark A CA2018-05-10 active
- —— → cancelled 1998-01-07