Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB6DWK callsign genealogy
Currently held by MAYER, DAVID A
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 KB6DWK's current licensee, walking backwards.
- MAYER, DAVID ACAgranted 2014-09-18cancelled 2018-03-06
Successor callsigns
Callsigns held now by people who previously held KB6DWK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KB6DWK, oldest first.
- MAYER, DAVID A CA1995-01-12 → cancelled 2007-01-13
- MAYER, DAVID A CA2018-03-06 active