Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK7DOT callsign genealogy
Currently held by MACDONALD, WILLIAM D
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 KK7DOT's current licensee, walking backwards.
- MACDONALD, WILLIAM DUTgranted 2021-10-18cancelled 2021-11-05
Successor callsigns
Callsigns held now by people who previously held KK7DOT.
No current licensee on record previously held this callsign.