Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4DA callsign genealogy
Currently held by MC DONALD, STANLEY W
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 KF4DA's current licensee, walking backwards.
- MC DONALD, STANLEY WGAgranted 1993-01-12cancelled 2000-02-25
Successor callsigns
Callsigns held now by people who previously held KF4DA.
- MC DONALD, STANLEY WGAgranted 2019-12-26