Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4TCU callsign genealogy
Currently held by WASHINGTON SR, STEPHEN R
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 KK4TCU's current licensee, walking backwards.
- WASHINGTON SR, STEPHEN RNCgranted 2013-07-15cancelled 2013-08-12
Successor callsigns
Callsigns held now by people who previously held KK4TCU.
- WASHINGTON SR, STEPHEN RNCgranted 2014-05-06cancelled 2026-05-07