Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7LOS callsign genealogy
Currently held by ATCHLEY JR, KEITH W
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 N7LOS's current licensee, walking backwards.
- Sweeney, Leeam OWAgranted 2022-03-25cancelled 2022-04-15
Successor callsigns
Callsigns held now by people who previously held N7LOS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7LOS, oldest first.
- ATCHLEY JR, KEITH W AZ2000-05-24 → cancelled 2012-08-01
- Sweeney, Leeam WA2022-04-15 active