Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W6CRK callsign genealogy
Currently held by Kelly, Colin R
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 W6CRK's current licensee, walking backwards.
- Kelly, Colin RCAgranted 2007-02-12cancelled 2007-03-17
Successor callsigns
Callsigns held now by people who previously held W6CRK.
- Kelly, Colin RCAgranted 2017-03-31
All historical holders
Every license row we've seen with the callsign W6CRK, oldest first.
- RATHBUN, HOWARD W AZ1988-06-14 → cancelled 2000-06-15
- Kelly, Colin R CA2017-03-14 → cancelled 2017-03-31