Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4CRX callsign genealogy
Currently held by AYRES, WARD L
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 KG4CRX's current licensee, walking backwards.
- Ayres, Christopher BCOgranted 2020-07-13cancelled 2026-04-21
Successor callsigns
Callsigns held now by people who previously held KG4CRX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KG4CRX, oldest first.
- AYRES, WARD L SC2009-01-12 → cancelled 2021-04-06
- Ayres, Christopher B CO2026-04-21 active