Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4IMM callsign genealogy
Currently held by Wilson, John E
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 K4IMM's current licensee, walking backwards.
- Wilson, John EVAgranted 2000-06-30cancelled 2000-08-15
Successor callsigns
Callsigns held now by people who previously held K4IMM.
No current licensee on record previously held this callsign.