Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC3SQD callsign genealogy
Currently held by Blackstone, Alfred L
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 KC3SQD's current licensee, walking backwards.
- Blackstone, Alfred LMDgranted 2021-09-14
Successor callsigns
Callsigns held now by people who previously held KC3SQD.
- Blackstone, Alfred LMDgranted 2021-09-14