Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3EFF callsign genealogy
Currently held by ASPLUNDH, PAUL 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 W3EFF's current licensee, walking backwards.
- ASPLUNDH, PAUL SPAgranted 1997-03-25cancelled 2001-07-10
Successor callsigns
Callsigns held now by people who previously held W3EFF.
No current licensee on record previously held this callsign.