Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KQ4MD callsign genealogy
Currently held by OPERCHAL, MARY E
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 KQ4MD's current licensee, walking backwards.
- KD4NBBno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KQ4MD.
- OPERCHAL, MARY ELLENFLgranted 2022-12-06