Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1IMU callsign genealogy
Currently held by HALL III, ARTHUR A
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 W1IMU's current licensee, walking backwards.
- HALL III, ARTHUR AMAgranted 1998-07-21cancelled 2003-09-06
Successor callsigns
Callsigns held now by people who previously held W1IMU.
- HALL III, ARTHUR AWAgranted 2024-07-24