Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA6KPH callsign genealogy
Currently held by Halvarson, Tobias
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 KA6KPH's current licensee, walking backwards.
- Halvarson, TobiasCAgranted 2025-11-25cancelled 2025-12-16
Successor callsigns
Callsigns held now by people who previously held KA6KPH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA6KPH, oldest first.
- REINGOLD, MELANIE A CA1995-08-29 → cancelled 2007-08-30
- Halvarson, Tobias CA2025-12-16 active