Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DIY callsign genealogy
Currently held by BARROWS, 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 K7DIY's current licensee, walking backwards.
- BARROWS, JOHNTXgranted 2021-08-20cancelled 2021-09-10
Successor callsigns
Callsigns held now by people who previously held K7DIY.
No current licensee on record previously held this callsign.