Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7BGO callsign genealogy
Currently held by Siegenthaler, Craig R
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 W7BGO's current licensee, walking backwards.
- Siegenthaler, Craig RMNgranted 2011-06-14cancelled 2013-07-09
Successor callsigns
Callsigns held now by people who previously held W7BGO.
- Siegenthaler, Craig RMNgranted 2018-03-30