Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W8FMJ callsign genealogy
Currently held by Guerber, Charles D
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 W8FMJ's current licensee, walking backwards.
- Guerber, Charles DMIgranted 2023-08-22cancelled 2023-09-15
Successor callsigns
Callsigns held now by people who previously held W8FMJ.
No current licensee on record previously held this callsign.