Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WD3USA callsign genealogy
Currently held by Cheplen, Colin C
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 WD3USA's current licensee, walking backwards.
- Cheplen, Colin CTNgranted 2018-02-05cancelled 2019-02-23
Successor callsigns
Callsigns held now by people who previously held WD3USA.
No current licensee on record previously held this callsign.