Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC1AH callsign genealogy
Currently held by Dundas IV, Richard J
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 AC1AH's current licensee, walking backwards.
- Dundas IV, Richard JVTgranted 2016-03-23cancelled 2016-07-13
Successor callsigns
Callsigns held now by people who previously held AC1AH.
- Dundas IV, Richard JVTgranted 2016-09-27cancelled 2017-06-27