Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4LSN callsign genealogy
Currently held by DIEHL, DAVIS O
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 W4LSN's current licensee, walking backwards.
- DIEHL, DAVIS ONCgranted 2016-10-31cancelled 2016-12-06
Successor callsigns
Callsigns held now by people who previously held W4LSN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4LSN, oldest first.
- AVERY, LAWRENCE GA1988-08-23 → cancelled 2000-08-24
- DIEHL, DAVIS O NC2016-12-06 active