Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K1KRS callsign genealogy
Currently held by Shaikh, Karimulla 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 K1KRS's current licensee, walking backwards.
- Shaikh, Karimulla RCAgranted 2026-06-18cancelled 2026-07-07
Successor callsigns
Callsigns held now by people who previously held K1KRS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1KRS, oldest first.
- Smith, Kristoffer AZ2011-03-15 → cancelled 2023-03-16
- Shaikh, Karimulla R CA2026-07-07 active