Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3SQ callsign genealogy
Currently held by ROBINSON JR, REUBEN
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 K3SQ's current licensee, walking backwards.
- Rhategan, Sean WFLgranted 1998-03-31cancelled 2007-07-17
Successor callsigns
Callsigns held now by people who previously held K3SQ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3SQ, oldest first.
- ROBINSON JR, REUBEN PA1998-09-24 → cancelled 2005-02-08
- RHATEGAN, SEAN W FL2017-06-08 active