Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF0SS callsign genealogy
Currently held by ROBB, HOWARD S
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 AF0SS's current licensee, walking backwards.
- KF0BAWcancelledOPEN SOURCE AMATEUR RADO CLUBMOgranted 2020-07-30cancelled 2020-08-25
Successor callsigns
Callsigns held now by people who previously held AF0SS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AF0SS, oldest first.
- ROBB, HOWARD S MN2007-01-10 → cancelled 2018-12-19
- OPEN SOURCE AMATEUR RADIO CLUB MO2020-08-25 active