Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3CHK callsign genealogy
Currently held by Sharp, Charles
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 K3CHK's current licensee, walking backwards.
- Sharp, CharlesMDgranted 2022-09-20cancelled 2022-10-29
Successor callsigns
Callsigns held now by people who previously held K3CHK.
- Sharp, CharlesMDgranted 2022-10-29