Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4LYO callsign genealogy
Currently held by RINDAHL, ERIC
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 N4LYO's current licensee, walking backwards.
- RINDAHL, ERICMNgranted 2018-10-30cancelled 2026-08-14
Successor callsigns
Callsigns held now by people who previously held N4LYO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4LYO, oldest first.
- WIERINGO, KENNETH E VA2014-05-28 → cancelled 2026-07-28
- RINDAHL, ERIC MN2026-08-14 active