Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5MAF callsign genealogy
Currently held by FURSTENAU, MIKE
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 K5MAF's current licensee, walking backwards.
- FURSTENAU, MICHAEL AOKgranted 2012-03-27cancelled 2016-06-07
Successor callsigns
Callsigns held now by people who previously held K5MAF.
- Fink, Michael ACAgranted 2020-08-11
All historical holders
Every license row we've seen with the callsign K5MAF, oldest first.
- Fink, Michael A CA2002-07-26 → cancelled 2009-06-26
- FURSTENAU, MIKE MI2026-04-14 active