Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7TWK callsign genealogy
Currently held by Kochheiser, Todd W
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 K7TWK's current licensee, walking backwards.
- Kochheiser, Todd WORgranted 2014-09-17cancelled 2014-10-24
Successor callsigns
Callsigns held now by people who previously held K7TWK.
No current licensee on record previously held this callsign.