Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7IYP callsign genealogy
Currently held by Frede, Michael J
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 K7IYP's current licensee, walking backwards.
- Frede, Michael JAZgranted 2010-04-05cancelled 2014-04-29
Successor callsigns
Callsigns held now by people who previously held K7IYP.
No current licensee on record previously held this callsign.