Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9RTA callsign genealogy
Currently held by Hoeck, Anthony M
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 K9RTA's current licensee, walking backwards.
- Hoeck, Anthony MWIgranted 2006-03-27cancelled 2009-03-20
Successor callsigns
Callsigns held now by people who previously held K9RTA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9RTA, oldest first.
- FRITSCHEL, RUDOLPH H WI1995-02-14 → cancelled 2007-02-15
- Hoeck, Anthony M WI2020-02-04 active