Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9ALM callsign genealogy
Currently held by MATTHEWS SR, AARON L
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 K9ALM's current licensee, walking backwards.
- MATTHEWS SR, AARON LARgranted 2014-05-30cancelled 2016-07-08
Successor callsigns
Callsigns held now by people who previously held K9ALM.
- MATTHEWS SR, AARON LARgranted 2017-07-08