Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6MAK callsign genealogy
Currently held by KORNBLOOM, MARTIN 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 W6MAK's current licensee, walking backwards.
- Mackner, William LCAgranted 2015-12-08cancelled 2016-01-26
Successor callsigns
Callsigns held now by people who previously held W6MAK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6MAK, oldest first.
- KORNBLOOM, MARTIN A CA2000-05-30 → cancelled 2012-05-31
- Mackner, William L CA2016-01-26 active