Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4MCK callsign genealogy
Currently held by CASSEL, JACK 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 N4MCK's current licensee, walking backwards.
- McKaig, Jacob VFLgranted 2022-04-18cancelled 2022-05-24
Successor callsigns
Callsigns held now by people who previously held N4MCK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4MCK, oldest first.
- CASSEL, JACK D AL2005-05-10 → cancelled 2017-05-31
- McKaig, Jacob V FL2022-05-24 active