Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI7ID callsign genealogy
Currently held by Johnston, Donald 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 KI7ID's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KI7ID.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KI7ID, oldest first.
- GILBERT JR, JOSEPH A NV1992-12-01 → cancelled 2004-12-02
- Johnston, Donald R TX2018-04-27 active