Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K5BAA callsign genealogy
Currently held by HARWELL, MARK D
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 K5BAA's current licensee, walking backwards.
- HARWELL, MARK DTXgranted 2022-02-28cancelled 2023-03-21
Successor callsigns
Callsigns held now by people who previously held K5BAA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5BAA, oldest first.
- MCLELLAN III, JAMES H TX2008-01-18 → cancelled 2016-09-29
- HARWELL, MARK D TX2023-03-21 active