Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3CSF callsign genealogy
Currently held by Castle Shannon Volunteer Fire Department Amateur Radio Club
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 K3CSF's current licensee, walking backwards.
- KC3ASBcancelledCastle Shannon Volunteer Fire Department Amateur Radio ClubPAgranted 2013-06-04cancelled 2013-06-25
Successor callsigns
Callsigns held now by people who previously held K3CSF.
No current licensee on record previously held this callsign.