Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AB3CP callsign genealogy
Currently held by Peterson, Christopher
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 AB3CP's current licensee, walking backwards.
- Peterson, ChristopherPAgranted 2016-08-11cancelled 2016-09-10
Successor callsigns
Callsigns held now by people who previously held AB3CP.
All historical holders
Every license row we've seen with the callsign AB3CP, oldest first.
- Dumas, Dennis L MD2005-02-10 → cancelled 2005-04-05
- Peterson, Christopher PA2016-09-10 → cancelled 2018-03-16