Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KE5ZOB callsign genealogy
Currently held by Willis, Billy 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 KE5ZOB's current licensee, walking backwards.
- Willis, Billy JTXgranted 2009-03-24cancelled 2011-05-06
Successor callsigns
Callsigns held now by people who previously held KE5ZOB.
- Willis, Billy JTXgranted 2009-03-24cancelled 2011-05-06
All historical holders
Every license row we've seen with the callsign KE5ZOB, oldest first.
- Willis, Billy J TX2009-03-04 → cancelled 2009-03-24
- Willis, Billy J TX2021-03-13 active