Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4MAY callsign genealogy
Currently held by MARQUISS, DONALD 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 N4MAY's current licensee, walking backwards.
- MAY, DANIEL CVAgranted 2008-12-16cancelled 2018-03-13
Successor callsigns
Callsigns held now by people who previously held N4MAY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4MAY, oldest first.
- MARQUISS, DONALD L FL2005-06-29 → cancelled 2017-09-28
- May, Daniel C VA2018-03-13 active