Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3BAD callsign genealogy
Currently held by Doty, Brook 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 K3BAD's current licensee, walking backwards.
- Mainus, Brandon NPAgranted 2016-11-14cancelled 2020-04-07
Successor callsigns
Callsigns held now by people who previously held K3BAD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3BAD, oldest first.
- Doty, Brook A CA2007-04-07 → cancelled 2019-04-09
- Mainus, Brandon N PA2020-04-07 active