Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KO5MS callsign genealogy
Currently held by HoustonHAMS
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 KO5MS's current licensee, walking backwards.
- KE5BMQcancelledHoustonHAMSTXgranted 2004-05-19cancelled 2004-06-25
Successor callsigns
Callsigns held now by people who previously held KO5MS.
No current licensee on record previously held this callsign.