Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB9PML callsign genealogy
Currently held by Guetterman, Ian M
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 WB9PML's current licensee, walking backwards.
- Guetterman, Ian MGAgranted 2018-06-13cancelled 2018-07-03
Successor callsigns
Callsigns held now by people who previously held WB9PML.
No current licensee on record previously held this callsign.