Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W7RTF callsign genealogy
Currently held by Bjarnason, Siggi
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 W7RTF's current licensee, walking backwards.
- Bjarnason, SiggiWAgranted 2014-03-10cancelled 2014-03-29
Successor callsigns
Callsigns held now by people who previously held W7RTF.
No current licensee on record previously held this callsign.