Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KU5Z callsign genealogy
Currently held by JANSSENS, MARY A
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 KU5Z's current licensee, walking backwards.
- JANSSENS, MARY ATXgranted 2001-06-12cancelled 2004-12-10
Successor callsigns
Callsigns held now by people who previously held KU5Z.
- SIMMONS, GERALD GARgranted 2012-01-04cancelled 2013-05-30
All historical holders
Every license row we've seen with the callsign KU5Z, oldest first.
- SIMMONS, GERALD G AR2001-11-21 → cancelled 2002-03-30
- JANSSENS, MARY A TX2024-12-11 active