Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N6CSW callsign genealogy
Currently held by WISEMAN, BARRY 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 N6CSW's current licensee, walking backwards.
- KJ6MUPcancelledNorCal SkywarnCAgranted 2011-02-23cancelled 2011-03-15
Successor callsigns
Callsigns held now by people who previously held N6CSW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N6CSW, oldest first.
- WISEMAN, BARRY R CO1998-02-05 → cancelled 2010-02-06
- NORCAL SKYWARN CA2021-09-22 active