Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3ESU callsign genealogy
Currently held by Ulrich, Emily
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 K3ESU's current licensee, walking backwards.
- Ulrich, EmilyPAgranted 2019-01-30cancelled 2019-07-06
Successor callsigns
Callsigns held now by people who previously held K3ESU.
No current licensee on record previously held this callsign.