Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9KNG callsign genealogy
Currently held by SPERRY, RICHARD 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 K9KNG's current licensee, walking backwards.
- SPERRY, RICHARD JTXgranted 2015-01-23cancelled 2021-06-02
Successor callsigns
Callsigns held now by people who previously held K9KNG.
No current licensee on record previously held this callsign.