Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K6HLP callsign genealogy
Currently held by JACOBS, JERRY A
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 K6HLP's current licensee, walking backwards.
- Phua, BillCAgranted 2020-10-14cancelled 2020-11-06
Successor callsigns
Callsigns held now by people who previously held K6HLP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6HLP, oldest first.
- JACOBS, JERRY A CA2007-12-29 → cancelled 2020-01-24
- Phua, Bill CA2020-11-06 active