Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF7ISH callsign genealogy
Currently held by Fischer, Gregory D
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 KF7ISH's current licensee, walking backwards.
- Fischer, Gregory DORgranted 2008-08-26cancelled 2008-10-10
Successor callsigns
Callsigns held now by people who previously held KF7ISH.
No current licensee on record previously held this callsign.