Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KQ4DAY callsign genealogy
Currently held by Rivera, Michael A
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 KQ4DAY's current licensee, walking backwards.
- Rivera, Michael ASCgranted 2021-10-21cancelled 2022-09-07
Successor callsigns
Callsigns held now by people who previously held KQ4DAY.
- Rivera, Michael ASCgranted 2023-05-19