Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1RSF callsign genealogy
Currently held by Foggon, Kieran R
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 K1RSF's current licensee, walking backwards.
- Foggon, Kieran RMAgranted 2025-08-19cancelled 2025-09-06
Successor callsigns
Callsigns held now by people who previously held K1RSF.
No current licensee on record previously held this callsign.