Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4INU callsign genealogy
Currently held by BANCROFT, JOSEPH R
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 W4INU's current licensee, walking backwards.
- FARNELL, JOHN BALgranted 1996-11-07cancelled 2005-07-29
Successor callsigns
Callsigns held now by people who previously held W4INU.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4INU, oldest first.
- BANCROFT, JOSEPH R AL2002-04-10 → cancelled 2005-06-04
- FARNELL, JOHN B SC2026-07-15 active