Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4FRO callsign genealogy
Currently held by MAIT, MARTIN B
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 KF4FRO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KF4FRO.
- Mait, Martin BVAgranted 2005-10-17cancelled 2010-05-14