Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0TDU callsign genealogy
Currently held by McCutchen Sr, Glenn F
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 K0TDU's current licensee, walking backwards.
- McCutchen Sr, Glenn FFLgranted 2009-09-15cancelled 2021-09-16
Successor callsigns
Callsigns held now by people who previously held K0TDU.
- McCutchen Sr, Glenn FFLgranted 2009-09-15cancelled 2021-09-16