Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NX4F callsign genealogy
Currently held by MAHLER, VICTOR E
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 NX4F's current licensee, walking backwards.
- Starcher Jr, Melvin FTNgranted 2023-07-12cancelled 2023-10-13
Successor callsigns
Callsigns held now by people who previously held NX4F.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NX4F, oldest first.
- MAHLER, VICTOR E TN2011-08-03 → cancelled 2023-09-26
- Starcher Jr, Melvin F TN2023-10-13 active