Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AI7MC callsign genealogy
Currently held by CATTELL, MARK D
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 AI7MC's current licensee, walking backwards.
- CATTELL, MARK DORgranted 2010-03-25cancelled 2010-03-26
- KA0DBNno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AI7MC.
No current licensee on record previously held this callsign.