Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KW4ER callsign genealogy
Currently held by SIMS, DAVID M
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 KW4ER's current licensee, walking backwards.
- SIMS, DAVID MFLgranted 2014-06-20cancelled 2015-01-15
Successor callsigns
Callsigns held now by people who previously held KW4ER.
- SIMS, DAVID MMOgranted 2024-08-09