Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9SQ callsign genealogy
Currently held by Cronan, John K
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 N9SQ's current licensee, walking backwards.
- Cronan, John KILgranted 2008-05-16cancelled 2009-01-16
Successor callsigns
Callsigns held now by people who previously held N9SQ.
No current licensee on record previously held this callsign.