Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N9NPH callsign genealogy
Currently held by Doepp, Robert 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 N9NPH's current licensee, walking backwards.
- N4NDWno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held N9NPH.
- Doepp, Robert CKSgranted 2001-11-17cancelled 2011-07-20