Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD6I callsign genealogy
Currently held by KLAHN, ROBERT 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 AD6I's current licensee, walking backwards.
- KLAHN, ROBERT ACAgranted 2011-04-25cancelled 2014-09-23
Successor callsigns
Callsigns held now by people who previously held AD6I.
- Jensen, William WCAgranted 2023-02-02
All historical holders
Every license row we've seen with the callsign AD6I, oldest first.
- Jensen, William W CA2008-10-10 → cancelled 2012-09-04
- KLAHN, ROBERT A NC2024-06-26 active