Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6CRQ callsign genealogy
Currently held by Otto, John
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 K6CRQ's current licensee, walking backwards.
- Otto, JohnCAgranted 2019-10-28cancelled 2019-11-15
Successor callsigns
Callsigns held now by people who previously held K6CRQ.
No current licensee on record previously held this callsign.