Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6HAL callsign genealogy
Currently held by LEEMHUIS, RUDY E
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 K6HAL's current licensee, walking backwards.
- Nelson, Harold RCAgranted 2015-10-27cancelled 2023-01-04
Successor callsigns
Callsigns held now by people who previously held K6HAL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6HAL, oldest first.
- LEEMHUIS, RUDY E CA2006-05-16 → cancelled 2018-08-09
- NELSON, HAROLD R CA2023-01-04 active