Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9SPK callsign genealogy
Currently held by Robinson III, Charles G
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 K9SPK's current licensee, walking backwards.
- Robinson III, Charles GPAgranted 2008-04-24cancelled 2008-05-16
Successor callsigns
Callsigns held now by people who previously held K9SPK.
No current licensee on record previously held this callsign.