Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4LBX callsign genealogy
Currently held by CROWE, JOHN 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 N4LBX's current licensee, walking backwards.
- Crowe, John MTNgranted 2012-07-18cancelled 2012-11-20
Successor callsigns
Callsigns held now by people who previously held N4LBX.
- CROWE, JOHN MNCgranted 2016-04-22cancelled 2016-09-16