Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4ERH callsign genealogy
Currently held by Harlin, Stuart 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 K4ERH's current licensee, walking backwards.
- Harlin, Stuart ATNgranted 2018-10-11cancelled 2021-08-20
Successor callsigns
Callsigns held now by people who previously held K4ERH.
- ELITCHKO, WASHINGTONVAgranted 1989-10-10cancelled 2001-10-11