Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7ESR callsign genealogy
Currently held by Haddock, Ronald H
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 N7ESR's current licensee, walking backwards.
- Haddock, Ronald HAZgranted 2015-10-01cancelled 2015-10-20
Successor callsigns
Callsigns held now by people who previously held N7ESR.
- Haddock, Ronald HAZgranted 2017-05-06