Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4FEL callsign genealogy
Currently held by HOPPER, MARK T
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 KG4FEL's current licensee, walking backwards.
- HOPPER, MARK TFLgranted 1995-04-07cancelled 1999-11-04
Successor callsigns
Callsigns held now by people who previously held KG4FEL.
- HOPPER, MARK TFLgranted 2019-09-05