Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI7KDP callsign genealogy
Currently held by Malmquist Jr, Len A
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 KI7KDP's current licensee, walking backwards.
- Malmquist Jr, Len AORgranted 2017-02-25cancelled 2018-04-14
Successor callsigns
Callsigns held now by people who previously held KI7KDP.
- Malmquist Jr, Len AORgranted 2017-02-25cancelled 2018-04-14
All historical holders
Every license row we've seen with the callsign KI7KDP, oldest first.
- Malmquist Jr, Len A OR2017-02-07 → cancelled 2017-02-25
- Malmquist Jr, Len A OR2018-04-14 active