Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6IB callsign genealogy
Currently held by Sylvester, Brent W
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 K6IB's current licensee, walking backwards.
- Sylvester, Brent WCAgranted 2006-01-09cancelled 2006-02-07
Successor callsigns
Callsigns held now by people who previously held K6IB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6IB, oldest first.
- ADELMAN, HARRIS CA1998-01-08 → cancelled 2004-01-10
- Sylvester, Brent W UT2015-12-15 active