Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9QP callsign genealogy
Currently held by BERRY, DAVID C
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 N9QP's current licensee, walking backwards.
- Arshem, OliverWIgranted 2018-08-07cancelled 2019-08-20
Successor callsigns
Callsigns held now by people who previously held N9QP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9QP, oldest first.
- BERRY, DAVID C IN2007-07-31 → cancelled 2019-08-01
- Arshem, Oliver WI2019-08-20 active