Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB6VHF callsign genealogy
Currently held by CLARKE, ROBERT G
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 KB6VHF's current licensee, walking backwards.
- SPRAKER, MICHAEL WCAgranted 2004-10-19cancelled 2013-02-22
Successor callsigns
Callsigns held now by people who previously held KB6VHF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB6VHF, oldest first.
- CLARKE, ROBERT G CA1987-12-22 → cancelled 1999-12-23
- SPRAKER, MICHAEL CO2023-02-04 active