Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KN1IRP callsign genealogy
Currently held by BUHL, DAVID 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 KN1IRP's current licensee, walking backwards.
- Buhl, David RMAgranted 2013-12-17cancelled 2014-01-14
Successor callsigns
Callsigns held now by people who previously held KN1IRP.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KN1IRP, oldest first.
- BUHL, DAVID R MA1988-03-29 → cancelled 2000-03-30
- Buhl, David R MA2014-01-14 → cancelled 2026-03-07