Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KD7YBF callsign genealogy
Currently held by MACKIE SR, ROBERT 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 KD7YBF's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KD7YBF.
- MACKIE SR, ROBERT JWAgranted 2023-07-15