Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA1VBG callsign genealogy
Currently held by GREFF, VINCENT B
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 KA1VBG's current licensee, walking backwards.
- GREFF, VINCENT BILgranted 2015-10-13cancelled 2017-03-28
Successor callsigns
Callsigns held now by people who previously held KA1VBG.
- GREFF, VINCENT BFLgranted 2017-04-25
All historical holders
Every license row we've seen with the callsign KA1VBG, oldest first.
- RAPP III, PAUL E CT1990-01-23 → cancelled 2002-03-07
- GREFF, VINCENT B IL2017-03-28 → cancelled 2017-04-25