Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7ATP callsign genealogy
Currently held by Collins, Marshall 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 K7ATP's current licensee, walking backwards.
- Collins, Marshall WWAgranted 2013-06-19cancelled 2013-07-09
Successor callsigns
Callsigns held now by people who previously held K7ATP.
No current licensee on record previously held this callsign.