Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WJ4LHO callsign genealogy
Currently held by Landwermeyer Jr, Joseph 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 WJ4LHO's current licensee, walking backwards.
- Landwermeyer Jr, Joseph MTXgranted 2010-02-02cancelled 2010-02-23
Successor callsigns
Callsigns held now by people who previously held WJ4LHO.
No current licensee on record previously held this callsign.