Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6SID callsign genealogy
Currently held by SIDORSKY, HOWARD J
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 K6SID's current licensee, walking backwards.
- SIDORSKY, HOWARD JCAgranted 1998-03-20cancelled 2007-11-24
Successor callsigns
Callsigns held now by people who previously held K6SID.
No current licensee on record previously held this callsign.