Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6MOS callsign genealogy
Currently held by Kroell, Al 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 W6MOS's current licensee, walking backwards.
- Kroell, Al RCAgranted 2003-07-21cancelled 2004-04-10
Successor callsigns
Callsigns held now by people who previously held W6MOS.
No current licensee on record previously held this callsign.