Confidence: Medium · Source: FCC ULS · As of 2026-10-24
N4CAK callsign genealogy
Currently held by Knox, Craig A
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 N4CAK's current licensee, walking backwards.
- Knox, Craig AALgranted 2026-07-03cancelled 2026-09-11
Successor callsigns
Callsigns held now by people who previously held N4CAK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4CAK, oldest first.
- LINN, STEVEN D PA1994-12-12 → cancelled 2006-12-13
- Knox, Craig A AL2026-09-11 active