Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1CDI callsign genealogy
Currently held by Brooks, Riley 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 KC1CDI's current licensee, walking backwards.
- Brooks, Riley MVTgranted 2014-06-23cancelled 2018-07-21
Successor callsigns
Callsigns held now by people who previously held KC1CDI.
- Brooks, Riley MVTgranted 2014-06-23cancelled 2018-07-21
All historical holders
Every license row we've seen with the callsign KC1CDI, oldest first.
- Brooks, Riley M VT2014-06-23 → cancelled 2018-06-29
- Brooks, Riley M VT2018-07-21 active