Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9LOS callsign genealogy
Currently held by MERRITT, JOSEPH C
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 K9LOS's current licensee, walking backwards.
- Arenas, LaloMOgranted 2019-11-07cancelled 2019-11-30
Successor callsigns
Callsigns held now by people who previously held K9LOS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9LOS, oldest first.
- MERRITT, JOSEPH C NC1996-06-28 → cancelled 2008-07-01
- Arenas, Lalo IA2019-11-30 active