Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4MMT callsign genealogy
Currently held by FABELO, CECILIA 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 N4MMT's current licensee, walking backwards.
- MEDINA TORRES, MIGUEL AFLgranted 2016-05-27cancelled 2017-03-14
Successor callsigns
Callsigns held now by people who previously held N4MMT.
- MEDINA, MIGUELPRgranted 2021-06-07
All historical holders
Every license row we've seen with the callsign N4MMT, oldest first.
- FABELO, CECILIA B FL2001-07-23 → cancelled 2013-09-25
- MEDINA, MIGUEL PR2017-03-14 → cancelled 2021-06-07