Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7CIO callsign genealogy
Currently held by KELLOGG, ROBERT 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 W7CIO's current licensee, walking backwards.
- KELLOGG, ROBERT EORgranted 2016-11-18cancelled 2016-12-23
Successor callsigns
Callsigns held now by people who previously held W7CIO.
No current licensee on record previously held this callsign.