Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KR7MAC callsign genealogy
Currently held by Macdonald, Richard K
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 KR7MAC's current licensee, walking backwards.
- Macdonald, Richard KIDgranted 2021-09-20cancelled 2021-10-13
Successor callsigns
Callsigns held now by people who previously held KR7MAC.
No current licensee on record previously held this callsign.