Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W3ICQ callsign genealogy
Currently held by Shannon III, Robert J
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 W3ICQ's current licensee, walking backwards.
- Shannon III, Robert JFLgranted 2019-12-19cancelled 2025-06-03
Successor callsigns
Callsigns held now by people who previously held W3ICQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W3ICQ, oldest first.
- OBERDOESTER, ELSIE PA1996-12-16 → cancelled 2008-12-17
- Shannon III, Robert J FL2025-06-03 active