Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF5EOC callsign genealogy
Currently held by Amateur Radio Emergency Service Of Montgomery County Texas
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 KF5EOC's current licensee, walking backwards.
- KJ5DCAcancelledAmateur Radio Emergency Service Of Montgomery County TexasTXgranted 2023-10-26cancelled 2024-01-23
Successor callsigns
Callsigns held now by people who previously held KF5EOC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF5EOC, oldest first.
- FRIAS, EDVARDO TX2010-01-19 → cancelled 2022-01-20
- Amateur Radio Emergency Service Of Montgomery County Texas TX2024-01-23 active