Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC3S callsign genealogy
Currently held by HARRINGTON, ALBERT F
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 AC3S's current licensee, walking backwards.
- Jones, DavidPAgranted 2020-09-14cancelled 2021-04-03
Successor callsigns
Callsigns held now by people who previously held AC3S.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC3S, oldest first.
- HARRINGTON, ALBERT F DE2009-02-19 → cancelled 2021-03-16
- Jones, David PA2021-04-03 active