Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0IAD callsign genealogy
Currently held by Carr, John J
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 K0IAD's current licensee, walking backwards.
- Carr, John JCOgranted 2010-04-06cancelled 2012-09-15
Successor callsigns
Callsigns held now by people who previously held K0IAD.
No current licensee on record previously held this callsign.