Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1KAA callsign genealogy
Currently held by Martin, Ryan
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 K1KAA's current licensee, walking backwards.
- Martin, RyanCAgranted 2017-02-24cancelled 2017-03-17
Successor callsigns
Callsigns held now by people who previously held K1KAA.
- DeChristopher, Michael FMAgranted 2009-05-27cancelled 2011-02-05
All historical holders
Every license row we've seen with the callsign K1KAA, oldest first.
- DeChristopher, Michael F MA2006-08-15 → cancelled 2009-05-27
- Martin, Ryan CA2017-03-17 active