Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6IAM callsign genealogy
Currently held by MacDonnell, Iain 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 K6IAM's current licensee, walking backwards.
- St Michael, LeenaCAgranted 2014-06-30cancelled 2014-11-07
Successor callsigns
Callsigns held now by people who previously held K6IAM.
- MacDonnell, Iain ACAgranted 2018-10-04
All historical holders
Every license row we've seen with the callsign K6IAM, oldest first.
- MacDonnell, Iain A CA2007-02-16 → cancelled 2008-12-05
- St Michael, Leena CA2014-11-07 active