Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WB9KHR callsign genealogy
Currently held by Hahn, Peter E 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 WB9KHR's current licensee, walking backwards.
- HAHN, MARTINA SMOgranted 2008-05-14cancelled 2017-05-02
Successor callsigns
Callsigns held now by people who previously held WB9KHR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WB9KHR, oldest first.
- Hahn, Peter E A MO2014-06-17 → cancelled 2015-05-11
- HAHN, MARTINA S MO2017-05-02 active