Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KQ4DFH callsign genealogy
Currently held by Sarnowski, Alexander M
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 KQ4DFH's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KQ4DFH.
- Sarnowski, Alexander MFLgranted 2022-10-04