Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W1ROB callsign genealogy
Currently held by MAXWELL, WILLIAM 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 W1ROB's current licensee, walking backwards.
- MAXWELL, WILLIAM RAZgranted 2023-10-04cancelled 2023-11-10
Successor callsigns
Callsigns held now by people who previously held W1ROB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W1ROB, oldest first.
- MAXWELL, WILLIAM R AZ2010-08-24 → cancelled 2022-11-15
- MAXWELL, WILLIAM R AZ2023-11-10 active