Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9PDP callsign genealogy
Currently held by Rubin, Jacob
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 K9PDP's current licensee, walking backwards.
- Rubin, JacobILgranted 2005-06-23cancelled 2014-09-23
Successor callsigns
Callsigns held now by people who previously held K9PDP.
No current licensee on record previously held this callsign.