Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KV4EU callsign genealogy
Currently held by Watson, Robert J
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 KV4EU's current licensee, walking backwards.
- WATSON, ROBERT JGAgranted 1999-02-28cancelled 2000-03-28
Successor callsigns
Callsigns held now by people who previously held KV4EU.
- Watson, Robert JGAgranted 2018-03-24