Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4MOP callsign genealogy
Currently held by Hammers, Danny L
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 W4MOP's current licensee, walking backwards.
- HAMMERS, DANNY LFLgranted 1998-07-02cancelled 2000-04-11
Successor callsigns
Callsigns held now by people who previously held W4MOP.
- Haag, Stewart EFLgranted 2016-08-31cancelled 2026-01-11