Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB5MUS callsign genealogy
Currently held by Posusta, Leonard J
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 WB5MUS's current licensee, walking backwards.
- Muse Jr, Archie ETXgranted 2022-04-18cancelled 2022-05-21
Successor callsigns
Callsigns held now by people who previously held WB5MUS.
- Posusta, Leonard JGAgranted 2001-06-13cancelled 2013-06-14
All historical holders
Every license row we've seen with the callsign WB5MUS, oldest first.
- Posusta, Leonard J GA2001-06-13 → cancelled 2005-05-23
- Muse Jr, Archie E TX2022-05-21 active