Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4JVQ callsign genealogy
Currently held by FRIEDRICH, CALVIN 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 W4JVQ's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held W4JVQ.
- FRIEDRICH, CALVIN AFLgranted 1999-10-23cancelled 2011-10-25