Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9VPD callsign genealogy
Currently held by Jacobs, John K
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 KC9VPD's current licensee, walking backwards.
- Jacobs, John KINgranted 2010-05-28cancelled 2010-06-29
Successor callsigns
Callsigns held now by people who previously held KC9VPD.
No current licensee on record previously held this callsign.