Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE5XX callsign genealogy
Currently held by ZELLERS, LAWRENCE 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 KE5XX's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KE5XX.
- W5YOactiveRazorback Contest ClubARgranted 2019-07-02
All historical holders
Every license row we've seen with the callsign KE5XX, oldest first.
- ZELLERS, LAWRENCE A TX2004-10-07 → cancelled 2016-12-24
- Razorback Contest Club AR2017-07-21 → cancelled 2019-07-02