Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KI7RK callsign genealogy
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 KI7RK's current licensee, walking backwards.
- KD7EIJcancelledSEQUOIA VHF SOCIETYORgranted 1999-03-04cancelled 2000-10-17
Successor callsigns
Callsigns held now by people who previously held KI7RK.
- SCHLOTTMAN, KEITH DAZgranted 2018-05-23
All historical holders
Every license row we've seen with the callsign KI7RK, oldest first.
- SEQUOIA VHF SOCIETY OR2020-08-06 active
- —— → cancelled 1998-08-17