Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W1KRK callsign genealogy
Currently held by Knehr, Kevin 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 W1KRK's current licensee, walking backwards.
- Krozel, Katharine RNHgranted 2018-10-17cancelled 2018-11-10
Successor callsigns
Callsigns held now by people who previously held W1KRK.
- Knehr, Kevin RMAgranted 2023-04-12
All historical holders
Every license row we've seen with the callsign W1KRK, oldest first.
- Knehr, Kevin R MA2009-12-01 → cancelled 2013-06-15
- KROZEL, KATHARINE R NH2018-11-10 active