Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4UMH callsign genealogy
Currently held by GENTRY SR, HOWARD D
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 W4UMH'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 W4UMH.
- GENTRY SR, HOWARD DFLgranted 2017-11-14