Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC7I callsign genealogy
Currently held by WORKMAN, M GRANT
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 AC7I's current licensee, walking backwards.
- SCOFIELD, BENJAMIN MUTgranted 2014-11-05cancelled 2021-10-15
Successor callsigns
Callsigns held now by people who previously held AC7I.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AC7I, oldest first.
- WORKMAN, M GRANT UT1998-01-23 → cancelled 2003-03-18
- Rasmussen, Pat V ID2009-09-26 → cancelled 2021-09-28
- SCOFIELD, BENJAMIN M UT2021-10-15 active