Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N3RDI callsign genealogy
Currently held by HEMMERLE, JONATHAN 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 N3RDI's current licensee, walking backwards.
- HEMMERLE, JONATHAN EOHgranted 2015-01-09cancelled 2016-01-12
Successor callsigns
Callsigns held now by people who previously held N3RDI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3RDI, oldest first.
- WENDLANDT BUCHIN, MARGARET H PA2003-11-15 → cancelled 2015-12-22
- HEMMERLE, JONATHAN E OH2016-01-12 active