Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7CRT callsign genealogy
Currently held by KNIGHT, JOHN A
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 W7CRT's current licensee, walking backwards.
- KJ7PSOcancelledDAISY MOUNTAIN COMMUNITY EMERGENCY RESPONSE TEAMAZgranted 2020-08-10cancelled 2020-10-06
Successor callsigns
Callsigns held now by people who previously held W7CRT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W7CRT, oldest first.
- KNIGHT, JOHN A NV2007-10-25 → cancelled 2019-12-11
- Daisy Mountain Cert AZ2020-10-06 active