Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5EEZ callsign genealogy
Currently held by Ralph, Thomas 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 K5EEZ's current licensee, walking backwards.
- Ralph, Thomas ATXgranted 2019-04-22cancelled 2019-07-19
Successor callsigns
Callsigns held now by people who previously held K5EEZ.
- K5SZactiveSOUTH TEXAS DX OPERATORSTXgranted 2018-04-26
All historical holders
Every license row we've seen with the callsign K5EEZ, oldest first.
- Ralph, Thomas A TX2019-07-19 active
- MAULDIN, MICHAEL L— → cancelled 1998-05-20