Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W9JDU callsign genealogy
Currently held by Arildson, Daniel E
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 W9JDU's current licensee, walking backwards.
- Arildson, Daniel EWAgranted 2026-02-26cancelled 2026-03-17
Successor callsigns
Callsigns held now by people who previously held W9JDU.
No current licensee on record previously held this callsign.