Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KL7SID callsign genealogy
Currently held by ATWOOD, SIDNEY 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 KL7SID's current licensee, walking backwards.
- ATWOOD, SIDNEY RAKgranted 2013-05-31cancelled 2015-08-25
Successor callsigns
Callsigns held now by people who previously held KL7SID.
No current licensee on record previously held this callsign.