Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6CID callsign genealogy
Currently held by BIRBECK, RICHARD W
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 K6CID's current licensee, walking backwards.
- Dyer, Colin ICAgranted 2009-09-21cancelled 2010-10-19
Successor callsigns
Callsigns held now by people who previously held K6CID.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6CID, oldest first.
- BIRBECK, RICHARD W CA1998-04-23 → cancelled 2010-04-24
- Dyer, Colin I NC2020-08-27 active