Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9OMH callsign genealogy
Currently held by Turnbull, David P
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 N9OMH's current licensee, walking backwards.
- Turnbull, David PORgranted 2011-12-19cancelled 2012-02-28
Successor callsigns
Callsigns held now by people who previously held N9OMH.
- Turnbull, David PORgranted 2022-03-01
All historical holders
Every license row we've seen with the callsign N9OMH, oldest first.
- TURNBULL, DAVID P IL1997-07-17 → cancelled 2004-03-04
- Turnbull, David P OR2012-02-28 → cancelled 2012-03-20