Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KA7YAK callsign genealogy
Currently held by Robertsen, Robert P
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 KA7YAK's current licensee, walking backwards.
- ROBERTSON, ROBERT PWAgranted 1999-07-13cancelled 2000-07-14
Successor callsigns
Callsigns held now by people who previously held KA7YAK.
No current licensee on record previously held this callsign.