Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9TCR callsign genealogy
Currently held by ROWE, TODD C
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 K9TCR's current licensee, walking backwards.
- ROWE, TODD CMNgranted 2016-03-04cancelled 2025-12-09
Successor callsigns
Callsigns held now by people who previously held K9TCR.
- Gardner, HarryPAgranted 2017-06-17cancelled 2019-02-26
All historical holders
Every license row we've seen with the callsign K9TCR, oldest first.
- Gardner, Harry PA2017-05-20 → cancelled 2017-06-17
- ROWE, TODD C MN2025-12-09 active