Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC1BO callsign genealogy
Currently held by Macdonald, Eric 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 AC1BO's current licensee, walking backwards.
- Macdonald, Eric ANHgranted 2016-11-22cancelled 2016-12-29
Successor callsigns
Callsigns held now by people who previously held AC1BO.
No current licensee on record previously held this callsign.