Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7KTM callsign genealogy
Currently held by ROSENKRANCE, JOHN
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 K7KTM's current licensee, walking backwards.
- ROSENKRANCE, JOHN TIDgranted 1997-10-21cancelled 2001-09-14
Successor callsigns
Callsigns held now by people who previously held K7KTM.
No current licensee on record previously held this callsign.