Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC2SBB callsign genealogy
Currently held by Baldwin, Douglas 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 KC2SBB's current licensee, walking backwards.
- Sydney, Barrett BNYgranted 2019-08-26cancelled 2019-11-05
Successor callsigns
Callsigns held now by people who previously held KC2SBB.
- Baldwin, Douglas JNYgranted 2007-09-07cancelled 2012-09-14
All historical holders
Every license row we've seen with the callsign KC2SBB, oldest first.
- Baldwin, Douglas J NY2007-05-24 → cancelled 2007-09-07
- Sydney, Barrett B NY2019-11-05 active