Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4NPU callsign genealogy
Currently held by Hannah, Jonathan 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 KK4NPU's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KK4NPU.
- Hannah, Jonathan PSCgranted 2012-12-31cancelled 2025-01-01