Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W5AHL callsign genealogy
Currently held by Wahl, Mark S
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 W5AHL's current licensee, walking backwards.
- Wahl, Mark SWAgranted 2017-06-19cancelled 2017-07-08
Successor callsigns
Callsigns held now by people who previously held W5AHL.
No current licensee on record previously held this callsign.