Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3CHF callsign genealogy
Currently held by Foster, Charles M
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 K3CHF's current licensee, walking backwards.
- Foster, Charles MMDgranted 2020-02-24cancelled 2020-03-21
Successor callsigns
Callsigns held now by people who previously held K3CHF.
- Le Fevre, Brent MGAgranted 2017-10-28
All historical holders
Every license row we've seen with the callsign K3CHF, oldest first.
- Le Fevre, Brent M GA2016-12-28 → cancelled 2017-10-28
- Foster, Charles M MD2020-03-21 active