Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K9IF callsign genealogy
Currently held by BOELTER, RICHARD R
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 K9IF's current licensee, walking backwards.
- Jurgensen, Peter HMAgranted 2018-07-19cancelled 2020-03-17
Successor callsigns
Callsigns held now by people who previously held K9IF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9IF, oldest first.
- BOELTER, RICHARD R WI2007-11-30 → cancelled 2020-02-27
- Jurgensen, Peter H MA2020-03-17 active