Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF6MTV callsign genealogy
Currently held by MONTEMAYOR, BENEDICT S
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 KF6MTV's current licensee, walking backwards.
- Montemayor, Benedict SMDgranted 2020-02-18cancelled 2020-03-10
Successor callsigns
Callsigns held now by people who previously held KF6MTV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF6MTV, oldest first.
- MONTEMAYOR, BENEDICT S CA1997-07-09 → cancelled 2009-07-10
- Montemayor, Benedict S MD2020-03-10 active