Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9BOT callsign genealogy
Currently held by Lucas, Mark E
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 K9BOT's current licensee, walking backwards.
- GILLIAM, MARK DTXgranted 2014-05-28cancelled 2014-07-29
Successor callsigns
Callsigns held now by people who previously held K9BOT.
- Lucas, Mark EMTgranted 2023-03-01
All historical holders
Every license row we've seen with the callsign K9BOT, oldest first.
- Lucas, Mark E WA2011-01-25 → cancelled 2012-02-28
- GILLIAM, MARK D TX2024-06-25 active