Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7TAR callsign genealogy
Currently held by ROBISON SR, ELDON L
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 K7TAR's current licensee, walking backwards.
- Istomin, Andrei POHgranted 2018-08-13cancelled 2018-09-01
Successor callsigns
Callsigns held now by people who previously held K7TAR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7TAR, oldest first.
- ROBISON SR, ELDON L WA1996-12-10 → cancelled 2008-12-11
- Istomin, Andrei P OH2018-09-01 active