Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7IDI callsign genealogy
Currently held by Stringham, Heidi
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 K7IDI's current licensee, walking backwards.
- Stringham, HeidiUTgranted 2014-12-17cancelled 2021-02-23
Successor callsigns
Callsigns held now by people who previously held K7IDI.
No current licensee on record previously held this callsign.