Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0DAY callsign genealogy
Currently held by YOUNGGREN, ROBERT H
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 N0DAY's current licensee, walking backwards.
- Drury, Day ACOgranted 2007-05-24cancelled 2008-07-08
Successor callsigns
Callsigns held now by people who previously held N0DAY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N0DAY, oldest first.
- YOUNGGREN, ROBERT H MN1996-06-10 → cancelled 2008-06-11
- Drury, Day A CO2018-06-07 active