Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9ALN callsign genealogy
Currently held by Nielsen, Allen M
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 W9ALN's current licensee, walking backwards.
- Nielsen, Allen MILgranted 2013-09-12cancelled 2015-09-29
Successor callsigns
Callsigns held now by people who previously held W9ALN.
No current licensee on record previously held this callsign.