Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7POB callsign genealogy
Currently held by OBrien, Paul D
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 K7POB's current licensee, walking backwards.
- OBrien, Paul DORgranted 2019-05-29cancelled 2019-09-04
Successor callsigns
Callsigns held now by people who previously held K7POB.
No current licensee on record previously held this callsign.