Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4JRM callsign genealogy
Currently held by MC ILRATH, JOHN 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 W4JRM's current licensee, walking backwards.
- Maiaro, JamesFLgranted 2020-01-06cancelled 2024-07-16
Successor callsigns
Callsigns held now by people who previously held W4JRM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4JRM, oldest first.
- MC ILRATH, JOHN R VA2009-12-22 → cancelled 2022-02-09
- Maiaro, James FL2024-07-16 active