Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4NMJ callsign genealogy
Currently held by Johnson, Nathan M
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 W4NMJ's current licensee, walking backwards.
- Johnson, Nathan MVAgranted 2015-06-22cancelled 2015-07-10
Successor callsigns
Callsigns held now by people who previously held W4NMJ.
No current licensee on record previously held this callsign.