Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KF5SGD callsign genealogy
Currently held by Stendahl, John H
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 KF5SGD's current licensee, walking backwards.
- Stendahl, John HTXgranted 2008-07-10cancelled 2012-10-15
Successor callsigns
Callsigns held now by people who previously held KF5SGD.
- Stendahl, John HTXgranted 2023-02-24