Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4KAD callsign genealogy
Currently held by Rosack, Robert G
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 W4KAD's current licensee, walking backwards.
- Rosack, Robert GCOgranted 2016-06-13cancelled 2018-09-15
Successor callsigns
Callsigns held now by people who previously held W4KAD.
No current licensee on record previously held this callsign.