Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC1UB callsign genealogy
Currently held by Mobile Portable Operators Club
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 AC1UB's current licensee, walking backwards.
- KC1GTTcancelledMobile Portable Operators ClubCTgranted 2016-12-16cancelled 2017-01-06
Successor callsigns
Callsigns held now by people who previously held AC1UB.
No current licensee on record previously held this callsign.