Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ7DTF callsign genealogy
Currently held by Gross, Helga M
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 KJ7DTF's current licensee, walking backwards.
- Gross, Helga MNVgranted 2013-06-25cancelled 2019-02-12
Successor callsigns
Callsigns held now by people who previously held KJ7DTF.
No current licensee on record previously held this callsign.