Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NQ4O callsign genealogy
Currently held by SUMMERS SR, FOREST 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 NQ4O's current licensee, walking backwards.
- Fritze, Daniel NFLgranted 2003-06-09cancelled 2006-02-28
Successor callsigns
Callsigns held now by people who previously held NQ4O.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NQ4O, oldest first.
- SUMMERS SR, FOREST E KY1996-03-25 → cancelled 2003-04-11
- Fritze, Daniel N FL2026-02-14 active