Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9TEA callsign genealogy
Currently held by GRUBMAN, JOSHUA
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 K9TEA's current licensee, walking backwards.
- GRUBMAN, JOSHUAILgranted 2017-02-03cancelled 2017-02-22
Successor callsigns
Callsigns held now by people who previously held K9TEA.
No current licensee on record previously held this callsign.