Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5GSB callsign genealogy
Currently held by Allison III, Robert M
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 K5GSB's current licensee, walking backwards.
- Allison III, Robert MARgranted 2013-09-26cancelled 2013-11-09
Successor callsigns
Callsigns held now by people who previously held K5GSB.
No current licensee on record previously held this callsign.