Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9RXK callsign genealogy
Currently held by FALK, GREGORY 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 K9RXK's current licensee, walking backwards.
- Falk, Gregory JWIgranted 2021-03-01cancelled 2021-04-13
Successor callsigns
Callsigns held now by people who previously held K9RXK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9RXK, oldest first.
- ARNHOLT-TAYLOR, ANNA L IN2007-11-30 → cancelled 2020-02-26
- FALK, GREGORY J WI2021-04-13 active