Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KS1MON callsign genealogy
Currently held by Hart, Simon C
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 KS1MON's current licensee, walking backwards.
- Hart, Simon CCAgranted 2018-06-12cancelled 2018-07-03
Successor callsigns
Callsigns held now by people who previously held KS1MON.
No current licensee on record previously held this callsign.