Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3MFB callsign genealogy
Currently held by Beck III, Mark F
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 K3MFB's current licensee, walking backwards.
- Beck III, Mark FVTgranted 2017-08-31cancelled 2017-12-05
Successor callsigns
Callsigns held now by people who previously held K3MFB.
- Beck III, Mark FVTgranted 2021-11-16