Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K6UP callsign genealogy
Currently held by HOISINGTON, DAVID B
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 K6UP's current licensee, walking backwards.
- Sadan, AvishaiCAgranted 2018-04-05cancelled 2019-09-28
Successor callsigns
Callsigns held now by people who previously held K6UP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K6UP, oldest first.
- HOISINGTON, DAVID B WA2009-07-14 → cancelled 2017-09-08
- Sadan, Avishai CA2019-09-28 active