Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1FDM callsign genealogy
Currently held by MacGillis Jr., Patrick 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 K1FDM's current licensee, walking backwards.
- Mac Gillis Jr., Patrick DTXgranted 2023-04-25cancelled 2023-05-13
Successor callsigns
Callsigns held now by people who previously held K1FDM.
No current licensee on record previously held this callsign.