Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC1BL callsign genealogy
Currently held by Halpin, Edmund M
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 AC1BL's current licensee, walking backwards.
- Halpin, Edmund MVTgranted 2014-02-20cancelled 2016-12-15
Successor callsigns
Callsigns held now by people who previously held AC1BL.
- Halpin, Edmund MVTgranted 2017-01-31