Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA0B callsign genealogy
Currently held by BEST AMATEUR RADIO CLUB BY A DAM SITE
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 KA0B's current licensee, walking backwards.
- Tilman, William RCOgranted 2003-10-09cancelled 2010-02-20
Successor callsigns
Callsigns held now by people who previously held KA0B.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA0B, oldest first.
- BEST AMATEUR RADIO CLUB BY A DAM SITE KS1997-10-16 → cancelled 2009-10-17
- Tilman, William R NM2019-12-02 active