Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1SMK callsign genealogy
Currently held by Krell, Scott 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 K1SMK's current licensee, walking backwards.
- Krell, Scott MNYgranted 2017-11-27cancelled 2017-12-23
Successor callsigns
Callsigns held now by people who previously held K1SMK.
- Mark, Steve AMAgranted 2017-06-08
All historical holders
Every license row we've seen with the callsign K1SMK, oldest first.
- Mark, Steve A MA2007-03-20 → cancelled 2007-08-17
- Krell, Scott M NY2017-12-23 active