Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AA4TX callsign genealogy
Currently held by REIS, ROBERT 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 AA4TX's current licensee, walking backwards.
- Hendricks, John RFLgranted 2005-09-16cancelled 2011-03-04
Successor callsigns
Callsigns held now by people who previously held AA4TX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AA4TX, oldest first.
- REIS, ROBERT J FL1997-03-13 → cancelled 2009-03-14
- Hendricks, John R FL2021-01-08 active