Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD7SZ callsign genealogy
Currently held by SKOLLINGSBERG, GUNNAR E
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 AD7SZ's current licensee, walking backwards.
- SKOLLINGSBERG, GUNNAR EIDgranted 2007-03-27cancelled 2008-03-24
Successor callsigns
Callsigns held now by people who previously held AD7SZ.
- SKOLLINGSBERG, GUNNAR EIDgranted 2018-03-20