Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4IMO callsign genealogy
Currently held by Simmons, Gregory W
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 K4IMO's current licensee, walking backwards.
- Simmons, Gregory WVAgranted 2024-09-24cancelled 2024-10-16
Successor callsigns
Callsigns held now by people who previously held K4IMO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4IMO, oldest first.
- Montague III, James L FL2012-02-24 → cancelled 2024-03-21
- Simmons, Gregory W VA2024-10-16 active