Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1AAJ callsign genealogy
Currently held by LIN, BYRON H
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 K1AAJ's current licensee, walking backwards.
- LIN, BYRON HCAgranted 2012-04-05cancelled 2015-03-27
Successor callsigns
Callsigns held now by people who previously held K1AAJ.
- MALLORY, DARREL DMAgranted 2020-05-15
All historical holders
Every license row we've seen with the callsign K1AAJ, oldest first.
- MALLORY, DARREL D MA2000-05-16 → cancelled 2000-06-06
- LIN, BYRON H CA2015-03-27 active