Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3QCY callsign genealogy
Currently held by McAdarra III, John L
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 N3QCY's current licensee, walking backwards.
- McAdarra III, John LPAgranted 2011-04-21cancelled 2017-03-07
Successor callsigns
Callsigns held now by people who previously held N3QCY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3QCY, oldest first.
- POPKO, FRANK PA1993-09-14 → cancelled 2005-09-15
- McAdarra III, John L PA2017-03-07 active