Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1ABA callsign genealogy
Currently held by CONNER, HENRY 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 K1ABA's current licensee, walking backwards.
- Chandler, Richard MMAgranted 2020-08-14cancelled 2020-10-02
Successor callsigns
Callsigns held now by people who previously held K1ABA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1ABA, oldest first.
- CONNER, HENRY J MA2008-01-09 → cancelled 2020-03-03
- Chandler, Richard M MA2020-10-02 active