Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD5OYI callsign genealogy
Currently held by Alexander, Brett 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 KD5OYI's current licensee, walking backwards.
- Alexander, TammyINgranted 2010-04-21cancelled 2013-12-06
Successor callsigns
Callsigns held now by people who previously held KD5OYI.
- Alexander, Brett ATXgranted 2001-06-26cancelled 2006-10-28
All historical holders
Every license row we've seen with the callsign KD5OYI, oldest first.
- Alexander, Brett A TX2001-06-26 → cancelled 2006-10-05
- Alexander, Tammy IN2023-12-13 active