Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W5ZMH callsign genealogy
Currently held by Pierce, John A
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 W5ZMH's current licensee, walking backwards.
- PIERCE, NANCY ETXgranted 2016-09-14cancelled 2017-02-14
Successor callsigns
Callsigns held now by people who previously held W5ZMH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W5ZMH, oldest first.
- Pierce, John A TX2007-11-14 → cancelled 2016-02-14
- PIERCE, NANCY E TX2017-02-14 active