Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4YPU callsign genealogy
Currently held by South Tidewater Amateur Radio Klub
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 KJ4YPU'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 KJ4YPU.
- W4HDWactiveSouth Tidewater Amateur Radio KlubVAgranted 2020-09-16