Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9SUL callsign genealogy
Currently held by Lee, Kihwal
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 K9SUL's current licensee, walking backwards.
- Lee, KihwalILgranted 2010-10-21cancelled 2010-11-09
Successor callsigns
Callsigns held now by people who previously held K9SUL.
No current licensee on record previously held this callsign.