Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N3IVA callsign genealogy
Currently held by KOEHLER, DAVID 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 N3IVA's current licensee, walking backwards.
- Koehler, David HPAgranted 2005-05-04cancelled 2011-06-28
Successor callsigns
Callsigns held now by people who previously held N3IVA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N3IVA, oldest first.
- KOEHLER, DAVID H PA1991-01-29 → cancelled 2003-01-30
- Koehler, David H PA2011-06-28 → cancelled 2023-07-12