Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1CHA callsign genealogy
Currently held by Trask, Matthew P
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 KC1CHA's current licensee, walking backwards.
- Allen Jr, Charles HMAgranted 2021-02-19cancelled 2021-12-11
Successor callsigns
Callsigns held now by people who previously held KC1CHA.
- Trask, Matthew PAZgranted 2015-10-27
All historical holders
Every license row we've seen with the callsign KC1CHA, oldest first.
- Trask, Matthew P MA2014-07-15 → cancelled 2015-10-27
- Allen Jr, Charles H MA2021-12-11 active