Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA7BOS callsign genealogy
Currently held by Omar, Muhamad Zulfadli
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 KA7BOS's current licensee, walking backwards.
- Omar, Muhamad ZulfadliORgranted 2015-12-01cancelled 2015-12-25
Successor callsigns
Callsigns held now by people who previously held KA7BOS.
- Omar, Muhamad ZulfadliORgranted 2026-01-21